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Differential   Listen
noun
Differential  n.  
1.
(Math.) An increment, usually an indefinitely small one, which is given to a variable quantity. Note: According to the more modern writers upon the differential and integral calculus, if two or more quantities are dependent on each other, and subject to increments of value, their differentials need not be small, but are any quantities whose ratios to each other are the limits to which the ratios of the increments approximate, as these increments are reduced nearer and nearer to zero.
2.
A small difference in rates which competing railroad lines, in establishing a common tariff, allow one of their number to make, in order to get a fair share of the business. The lower rate is called a differential rate. Differentials are also sometimes granted to cities.
3.
(Elec.)
(a)
One of two coils of conducting wire so related to one another or to a magnet or armature common to both, that one coil produces polar action contrary to that of the other.
(b)
A form of conductor used for dividing and distributing the current to a series of electric lamps so as to maintain equal action in all.
Partial differential (Math.), the differential of a function of two or more variables, when only one of the variables receives an increment.
Total differential (Math.), the differential of a function of two or more variables, when each of the variables receives an increment. The total differential of the function is the sum of all the partial differentials.






Collaborative International Dictionary of English 0.48








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"Differential" Quotes from Famous Books



... constitution of the British nobility and those broad popular distinctions which determine for each nobility its effectual powers. The next point is, to exhibit the operation of these differential powers in the condition of manners which they produce. But, as a transitional stage lying between the two here described—between the tenure of our aristocracy as a casual principle, and the popular working of our aristocracy as an effect—we will interpose a slight notice of the habits peculiar ...
— Blackwood's Edinburgh Magazine—Vol. 54, No. 333, July 1843 • Various

... the same thing holds good for the stimuli of the sensations of sight and of hearing, the differential stimulus bearing always a fixed ratio to the total magnitude of the stimuli. Here, then, was the law he ...
— A History of Science, Volume 4(of 5) • Henry Smith Williams

... instruction in the architectural branch, which commences in the student's second year, with Greek, Roman, and Mediaeval architectural history, the Orders and their applications, drawing, sketching, and tracing, analytic geometry, differential calculus, physics, descriptive geometry, botany, and physical geography. In the third year the course is extended to the theory of decoration, color, form, and proportion; conventionalism, symbolism, ...
— Scientific American Supplement, No. 446, July 19, 1884 • Various

... Essay on Probabilities (1838), forming the 107th volume of Lardner's Cyclopaedia, which forms a valuable introduction to the subject; and The Elements of Trigonometry and Trigonometrical Analysis, preliminary to the Differential Calculus (1837). Several of his mathematical works were published by the Society for the Diffusion of Useful Knowledge, of which De Morgan was at one time an active member. Among these may be mentioned ...
— Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 - "Demijohn" to "Destructor" • Various

... until finally they became inborn. Others, however, assume that the psychical characteristics by which the sexes are differentiated result solely from individual differences in education. Stern believes that in the case of one differential character, at least, he can prove that for many centuries there has been no difference between the sexes in the matter of education; this character is the capacity for drawing. Kerschensteiner has studied the development of this gift, and considers that his results have ...
— The Sexual Life of the Child • Albert Moll

... and Eastern World, and brought the ends of the earth together. Circumnavigator of the realms of mind, wherever he touched, he appeared as discoverer, as conqueror, as lawgiver. In mathematics, he discovered or invented the Differential Calculus,—the logic of transcendental analysis, the infallible method of astronomy, without which it could never have compassed the large conclusions of the "Mecanique Celeste." In his "Protogaea," published in 1693, he laid the foundation ...
— The Atlantic Monthly, Vol. II, No. 8, June 1858 • Various

... Elsie, and let me help you paint the dado.' For unless I helped her, poor Elsie could never have finished it herself. I cut out half her clothes for her; her own ideas were almost entirely limited to differential calculus. And cutting out a blouse by differential calculus is weary, uphill ...
— Miss Cayley's Adventures • Grant Allen

... of mine was, perhaps, not more important, but it was, on the whole, better calculated to startle the prevailing preconceptions; for, as to the new system of morals introduced by Christ, generally speaking, it is too dimly apprehended in its great differential features to allow of its miraculous character being adequately appreciated; one flagrant illustration of which is furnished by our experience in Affghanistan, where some officers, wishing to impress Akhbar Khan with the beauty of Christianity, very ...
— Memorials and Other Papers • Thomas de Quincey

... dollars on their ordinary, and a higher rate on their limited, trains. Because of slower time the other roads charge a sum less by two or three dollars for the same service. This cut in the rate is called a "differential." ...
— Commercial Geography - A Book for High Schools, Commercial Courses, and Business Colleges • Jacques W. Redway

... not half amalgamated, or coated with impurities, the whole concern superintended by a man who knows as little about the treatment of auriferous quartz by the amalgamating or any other processes as a dingo does of the differential calculus. Result: 3 dwt. to the ton in the retort, 30 dwt. in the tailings, and a ...
— Getting Gold • J. C. F. Johnson

... exercises in which the young lady showed her remarkable muscular strength and skill in managing herself in the accomplishment of feats which looked impossible at first sight. How often The Terror had thought to herself that she would gladly give up all her knowledge of Greek and the differential and integral calculus if she could only perform the least of those feats which were mere play to The Wonder! Miss Euthymia was not behind the rest in her attainments in classical or mathematical knowledge, ...
— The Autocrat of the Breakfast-Table • Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)

... aspirations, capacities, it is thought on that ground to have a special nobility and greatness, and a special power of evoking in the student the feelings themselves. The mathematician, dealing with conic sections, spirals, and differential equations, is in danger of being ultimately resolved into a function or a co-efficient; the metaphysician, by investigating conscience, must become conscientious; driving fat oxen is the way to ...
— Practical Essays • Alexander Bain

... good fortune to divine the future course of piano development, as also did Schumann. Both took for the strategic center of the piano the principle of what has been called the "differential touch," or discrimination in touch, by means of which not only long passages of different kinds were discriminated from one another, as in the Thalbergian melodies and their surrounding arabesques, but the infinitely finer discriminations which take place within the phrase, ...
— The Masters and their Music - A series of illustrative programs with biographical, - esthetical, and critical annotations • W. S. B. Mathews

... face, thrilling in its awakened emotion, met his glance at the window of a carriage. He dispatched his luggage to the Faucon, and sprang lightly in the carriage when the omnibuses had departed for the Lausanne plateau. Alan Hawke was carefully differential in his greeting and he meekly answered all the rapid queries ...
— A Fascinating Traitor • Richard Henry Savage

... equations of higher order (with, however, increasing labor). Further, the calculation of the cost of cutting and embanking for railways by the method of Bruckner & Culmann, the solution of a very considerable number of rather complex differential equations, various problems in the storage of water, and a great variety of statistical questions may all be completely dealt with, or very much simplified by aid ...
— Scientific American Supplement, No. 794, March 21, 1891 • Various

... This to us Of steady happiness should be a cause Beyond the differential calculus Or Kant's dull ...
— The Poems of Henry Kendall • Henry Kendall

... convinced of the fact that England offers an unequalled field for a teacher of ability and perseverance, always provided that he is as competent an authority on cricket and boating as he is on Greek particles and the working of the differential calculus. I speak, of course, simply of the ordinary university graduate, who (like myself), not being from patrician ranks or Mammon-blessed, must hew out a position for himself without any aid from the patronage of influential friends or relatives. Given a moderate amount of classical and ...
— Lippincott's Magazine, Vol. 22, September, 1878 • Various

... influence.* The history of synthetic projective geometry has little to do with the work of the great philosopher Descartes, except in an indirect way. The method of algebraic analysis invented by him, and the differential and integral calculus which developed from it, attracted all the interest of the mathematical world for nearly two centuries after Desargues, and synthetic geometry received scant attention during the rest of the seventeenth century and for the greater part ...
— An Elementary Course in Synthetic Projective Geometry • Lehmer, Derrick Norman

... is associated with the doctrine of mathematical continuity, and its mathematical methods are those of the Differential Calculus, which is the appropriate expression of the relations of ...
— Five of Maxwell's Papers • James Clerk Maxwell

... position to say what will be a reasonable interval, but time must be given to the new Assembly to take stock of the position and to consider the labour question as a whole. I said just now there would be a clause with regard to differential legislation as between white persons and others, and to this clause will be added the words: "No law will be assented to which sanctions any condition of service or residence of a servile character." We have been invited to ...
— Liberalism and the Social Problem • Winston Spencer Churchill

... tangents, concealing the method in two sentences of transposed characters. In the following year Leibnitz mentioned in a letter to Oldenburg (to be communicated to Newton) that he had been for some time in possession of a method for drawing tangents, and explains the method, which was no other than the differential calculus. Before Newton had published a single word upon fluxions the differential calculus had made rapid advances on ...
— The World's Greatest Books, Vol IX. • Edited by Arthur Mee and J.A. Hammerton

... return to nature that you say you learned at college before I was born, permit me to point out that on the face of it you cannot have learned anything since. Socialism has no more to do with the state of nature than has differential calculus with a Bible class. I have called your class stupid when outside the realm of business. You, sir, have brilliantly ...
— The Iron Heel • Jack London

... not my purpose to undertake an exhaustive psychoanalytic study of Epilepsy. Neither is it my purpose to enter into a discussion of the problems of differential diagnosis. It has already been shown, in borderland cases, that one cannot tell the difference between epilepsy and hysteria, without a prolonged psychoanalysis, and even then one cannot be certain. This suggests that the whole thing is more or less a matter of definition. ...
— The Journal of Abnormal Psychology - Volume 10

... and putting them together again so that I might be prepared for getting on without him. He said he hated to think of that time, and what do you suppose he did? I was lying under the machine at the time, studying the differential, while he was jacking up an axle. Proposed, positively. I dropped a nut and a cotter pin out of my mouth, I was so astonished. We talked it over for about five minutes through one of the artillery, wheels, and I must say he took it beautifully. ...
— The Motormaniacs • Lloyd Osbourne

... inflexions, at least so far as the cases are concerned. Secondly, the nouns have also lost their gender. And thirdly, the verbs have been simplified in conjugation, weak preterites being often substituted for strong ones, and differential terminations largely lost. On the other hand, the plural of nouns is still distinguished from the singular by its termination in s, which is derived from the first declension of Anglo-Saxon nouns, not ...
— Early Britain - Anglo-Saxon Britain • Grant Allen

... due to favorable flow of ocean currents. It had been noted that there was such an interweaving of cool and warm currents all over the globe that a relatively even temperature was maintained throughout. Some differential in spots, of course, enough to cause rainfall, but no real violence of storms, not as we classified hurricanes, typhoons, ...
— Eight Keys to Eden • Mark Irvin Clifton

... this really the poet?" I asked. "There are two brothers, I know; and both have attained reputation in letters. The minister, I believe, has written learnedly on the Differential Calculus. He is a ...
— The Short-story • William Patterson Atkinson

... Chinese chestnut normally begins growth soon after March 1, but in some years it has started as much as a month after this date. Between south and north Georgia there is a differential in the time growth starts in the spring of one to two weeks. This differential also carries over into the date of blossoming and the date the harvest period begins. In south Georgia pollination generally occurs during the latter part of April and early part of May, ...
— Northern Nut Growers Association Incorporated 39th Annual Report - at Norris, Tenn. September 13-15 1948 • Various

... obstructing his study, was in reality an aid to his thinking and a spur to excellence—not excellence over others, but over himself. There were moments, doubtless, long moments too, in which he forgot Homer and Cicero and differential calculus and chemistry, for "the bonnie lady-lassie,"—that was what he called her to himself; but it was only, on emerging from the reverie, to attack his work with fresh vigour. She was so young, so plainly girlish, that ...
— Sir Gibbie • George MacDonald

... maintained, that with time and patience, one might train a rather stupid plough-boy to understand the differential calculus. This might be done with the help of an inward desire on the part of the boy to learn, but never otherwise. If the boy wants to learn or to improve generally, he will do so in spite of every hindrance, till in time he becomes a very different being ...
— Life and Habit • Samuel Butler

... brass powder-flasks that hung high over the chimney-place; her first climbings and tumblings had been performed on the three steps that led to the kitchen; and she had addled her tender brains, as well as inflamed the natural greed which is so pardonable in infants, by what was to her a sort of differential calculus before she learned to discriminate nicely among the various jams kept by Mummy ...
— The Devil's Garden • W. B. Maxwell

... Europe itself, whence has come the unrest which now holds the world at bay, is an example of standpatism in these vital human matters which America might well accept as an example, not to be followed but studiously to be avoided. Europe made labor the differential, and the price of it all is enmity and antagonism and prostrated industry, The right of labor to live in peace and comfort must be recognized by governments and America should be the first to lay the foundation stones upon which industrial ...
— State of the Union Addresses of Woodrow Wilson • Woodrow Wilson

... frequently encountered by a comparatively high degree of culture associated with a cruel and debasing system of rites and practices which belong to the lowest savagery. Dr. Haddon has usefully suggested the term "differential evolution" for this phenomenon in the culture history of man,[310] and as I find myself in entire agreement with this distinguished anthropologist as to the facts[311] which call for a special terminology, I gladly adopt his ...
— Folklore as an Historical Science • George Laurence Gomme

... is owing to the limited range of objects to which the education of the young of the higher classes is so exclusively directed in Oxford and Cambridge. Greek and Latin, Aristotle's logic and classical versification, quadratic equations, conic sections, the differential calculus, are very good things, and we are well aware that it is by excellence in them that the highest honours in these seminaries of learning can alone be attained. They are essential to the fame of a Parr or a Porson, a Herschel or a Whewell. But a very different species of mental ...
— Blackwood's Edinburgh Magazine, Volume 62, Number 361, November, 1845. • Various

... bear a very low price in the market. But it comes from British possessions, and is, therefore, sold here subject to a duty of only 18s. 8d. per cwt., whereas if it came from a foreign country it would pay 56s.[3] The differential duty drives the best cocoa out of the English market. Still it appears that we might supply, from our own colonies, this very cocoa; because, as I have said, there was exhibited, from Trinidad, a very beautiful sample, quite ...
— The Commercial Products of the Vegetable Kingdom • P. L. Simmonds

... theory as they interpret it. Our authors exhibit various reasons, more or less sound, for attributing to the primordial fluid some slight amount of friction; and in support of this view they adduce Le Sage's explanation of gravitation as a differential result of pressure, and Struve's theory of the partial absorption of light-rays by the ether,—questions with which our present purpose does not require us to meddle. Apart from such questions it is every way probable that the primary assumption of Helmholtz and Thomson is ...
— The Unseen World and Other Essays • John Fiske

... practical purposes. From such simple facts of the mental inventory the association experiments may lead to complex questions which slowly may disentangle the confused ideas, for instance, of a dementia praecox, and thus lead to subtle differential diagnosis. ...
— Psychotherapy • Hugo Muensterberg

... sentiment favoring them before the lower-priced Barcelona variety. The Barcelona is a more vigorous tree and shells out of the husk 75% whereas the Du Chilly is but 40% self husking, but that will not offset the differential of five to ten cents per pound in favor of the ...
— Northern Nut Growers Association Report of the Proceedings at the Fifteenth Annual Meeting • Various

... that a considerable change had taken place in our position relative to the Rampart Berg. It appeared that a big lead had opened and that there had been some differential movement of the pack. The opening movement might presage renewed pressure. A few hours later the dog teams, returning from exercise, crossed a narrow crack that had appeared ahead of the ship. This crack opened quickly to 60 ...
— South! • Sir Ernest Shackleton

... Siemens had several irons in the fire. Besides the printing process and the chronometric governor, which operated by the differential movement between the engine and a chronometer, he was occupied with some minor improvements at Hoyle's Calico Printing Works. He also engaged in railway works from time to time; and in 1846 he brought out a double cylinder air-pump, in which the two cylinders are so combined, ...
— Heroes of the Telegraph • J. Munro

... diluted with water. Celsius followed, and advised a medium fluid, so that his thermometer is known as the centigrade. De Lisle made such important improvements, that they have never been attended to; and Mr. Sex's differential thermometer has given rise to considerably more than a half-dozen different opinions. All these persons have written learnedly on the subject, blowing respectively hot or cold, as their tastes vary. The most recent work is that by Professor Thompson—a splendid octavo, hot-pressed, and just warm ...
— Punch, or the London Charivari, Volume 1, Complete • Various

... invalid by reason of the exemption of carriers of fish, farm and dairy products.[1106] Discrimination among milk dealers without well advertised trade names, giving those who entered business before a specified date the benefit of a price differential denied to those who commenced operations thereafter, is arbitrary and unlawful.[1107] A statute providing for the sterilization of defectives in State institutions was sustained;[1108] but a similar act applicable to ...
— The Constitution of the United States of America: Analysis and Interpretation • Edward Corwin

... by that time children will learn the differential calculus—as they learn now to speak—from their mothers and nurses, or that they may talk in the hypothetical language, and work rule of three sums, as soon as they are born; but this is not probable; we cannot calculate on any corresponding advance in man's intellectual ...
— Erewhon • Samuel Butler

... friend, Clarence, blew in from Monte Carlo, where he had been spending a few days in the interests of science, and presented your letter of introduction. Said he still couldn't understand just how it happened, because he had figured it out by logarithms and trigonometry and differential calculus and a lot of other high-priced studies that he'd taken away from Harvard, and that it was a cinch on paper. Was so sure that he could have proved his theory right if he'd only had a little more money that it hardly seemed worth ...
— Old Gorgon Graham - More Letters from a Self-Made Merchant to His Son • George Horace Lorimer

... homogeneous digits with fixed values, but complex personalities with decided opinions of their own as to their individual and relative importance, as well as pugnacious tendencies for compelling an acceptance of their assumptions by equally pugnacious factors which claim a differential valuation in their own favour. This consideration presents a somewhat different and more difficult phase of the problem. It really compels us to defer attempts at final solution, for the time being, at least; to make the best adjustment ...
— Blue Goose • Frank Lewis Nason

... find a few instances of good management containing all of the elements necessary for permanent prosperity for both employers and men under ordinary day work, the task system, piece work, contract work, the premium plan, the bonus system and the differential rate; and he will find a very much larger number of instances of bad management under these systems containing as they do the elements which lead to discord and ultimate loss and trouble for ...
— Shop Management • Frederick Winslow Taylor

... queen of the kitchen be respected; but—ah, let me see, Mr Distin, I think we were to take up the introductory remarks made on the differential calculus." ...
— The Weathercock - Being the Adventures of a Boy with a Bias • George Manville Fenn

... way in which I can explain our friend's high intellectual mobility. Attempts to correlate statesmanship, which they regard with interest as a dramatic interplay of personalities, with any secular movement of humanity, they class with the differential calculus and Darwinism, as things far too difficult to be anything but finally and ...
— A Modern Utopia • H. G. Wells

... phenomena. When he was sixteen we learn that he had read conic sections, and that he was engaged in the study of pendulums. After an attack of illness, he was moved for change to Dublin, and in May, 1822, we find him reading the differential calculus and Laplace's "Mecanique Celeste." He criticises an important part of Laplace's work relative to the demonstration of the parallelogram of forces. In this same year appeared the first gushes of those poems which afterwards ...
— Great Astronomers • R. S. Ball

... certified the cause of death. The Professor, passing benevolently on, was glad he had now enough money to carry out his projects. He would be able to publish at once his great work on "The Secondary Variation of the Differential Calculus," that hitherto had languished in manuscript. It would make a sensation, he thought; there was more than one generally accepted theory he had challenged or contradicted in it. And he would put in hand at once his great, ...
— Uncanny Tales • Various

... Differential rates are recognized to be legitimate. Railroads are allowed to charge a less rate for wheat intended for export than that intended for local consumption. There has sometimes been a wide difference between the freight rate on ...
— The Young Farmer: Some Things He Should Know • Thomas Forsyth Hunt

... cause others to believe," he said, "that I am and with the grace of God hope to continue an upright patriot as I have proved myself to be in these last forty-two years spent in the public service. In the matter of differential religious points I remain of the opinions which I have held for more than fifty years, and in which I hope to live and die, to wit, that a good Christian man ought to believe that he is predestined to eternal salvation ...
— The Rise of the Dutch Republic, 1555-1566 • John Lothrop Motley

... wheels which has been applied in practice to the greatest extent and to the most purposes, is probably that in which the axial motions of the train are derived from a fixed sun wheel. Numerous examples of such trains are met with in the differential gearing of hoisting machines, in portable horse-powers, etc. The action of these mechanisms has already been fully discussed; it may be remarked in addition that unless the speed be very moderate, it is found advantageous to balance the ...
— Scientific American Supplement, Vol. XIX, No. 470, Jan. 3, 1885 • Various

... shown by other exhibitors must be mentioned Prof. Von Waltenhofen's differential electromagnetic balance. In this, two iron cylinders are suspended from the extremities of a balance. One of them is of solid iron, and the other is of thin sheet iron and of larger diameter and is balanced ...
— Scientific American Supplement, No. 421, January 26, 1884 • Various

... The differential behavior of the antineuritic and antiscorbutic factors towards adsorbents. Biochem. J., ...
— The Vitamine Manual • Walter H. Eddy

... observation and experiment, began to bear rich fruits. Sir Isaac Newton (1642-1727) not only discovered the law of gravitation: other discoveries by him in mechanics and optics were of great moment in the progress of those sciences. Fluxions, or the differential calculus, was discovered independently by both Newton and Leibnitz. Euler, a Swiss mathematician of the highest ability (1707-1783), contributed essentially to the advancement of mechanics. Napier invented ...
— Outline of Universal History • George Park Fisher

... unaided eye gives but a poor means of telling whether or not a stone exhibits twin colors, or dichroism, as it is called. (The term signifies two colors.) A well-trained eye can, however, by viewing a stone in several different positions, note the difference in shade of color caused by the differential absorption. ...
— A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public • Frank Bertram Wade

... with the normal adult human being, the standard subject for psychology? Does he make all the observations on himself or may he be objectively observed by the psychologist? The latter, certainly. In fact, nearly all tests, such as those used in studying differential psychology, are objective. That is to say that the person tested is given a task to perform, and his performance is observed in one way or another by the examiner. The examiner may observe the time occupied ...
— Psychology - A Study Of Mental Life • Robert S. Woodworth

... basis of our present findings it is no longer enough to trace the appearing of the after-image solely to a differential fatigue in the retina. The fact is that as long as the eye is turned to the bright window-pane a more intensive blood-activity occurs in the portions of the eye's background met by the light than in those where the dark ...
— Man or Matter • Ernst Lehrs

... telephony, the electromagnets are provided with more than one winding. One purpose of the double-wound electromagnet is to produce the so-called differential action between the two windings, i.e., making one of the windings develop magnetization in the opposite direction from that of the other, so that the two will neutralize each other, or at least exert different and opposite influences. The principle of the differential electromagnet may ...
— Cyclopedia of Telephony & Telegraphy Vol. 1 - A General Reference Work on Telephony, etc. etc. • Kempster Miller

... of the differential treatment meted out to Ireland which is not of a nature to impress her with confidence in English methods may be mentioned the fact that the Irish militia are drafted out of the country for their training, that no citizen ...
— Ireland and the Home Rule Movement • Michael F. J. McDonnell

... England, they were at the same time to have a monopoly, or a marked advantage, in English markets. Tobacco-growing had been for a time a promising industry in England; it was prohibited in order that it might not compete with the colonial product; and differential duties were levied on the competing products of other countries and their colonies. In short, the new policy was one of Imperial Preference; it aimed at turning the empire into an economic unit, of which England should be the administrative and distributing ...
— The Expansion of Europe - The Culmination of Modern History • Ramsay Muir

... almost imperceptibly into dementia praecox. The features differentiating these two diseases should therefore supply us with data for determining the prognosis. A case undoubtedly, praecox, which shows markedly the differential features of paranoia, should have a proportionately better outlook. In a vague way our common sense uses this standard when it makes us "feel" that the case will have a long course which shows a relatively well retained personality in conjunction with praecox symptoms. But "feelings" ...
— The Journal of Abnormal Psychology - Volume 10

... conversation is patterned. But this little generator of mine was non-random. It was the multiple recording of ten thousand different conversations, all meaningless, against a background of "white" noise. Try that one on your differential analyzers. ...
— A Spaceship Named McGuire • Gordon Randall Garrett

... DIFFERENTIAL DIAGNOSIS.—The diagnosis of hog-cholera in the field must depend on the clinical symptoms, post-mortem lesions and history of the outbreak. The history should be that of ...
— Common Diseases of Farm Animals • R. A. Craig, D. V. M.

... shall take it for granted that British and Irish products and manufactures enjoy a preference on import into the colonies, over imports from foreign countries, of at least five per cent, resulting from differential duties in favour of the parent state: it may be more, and we believe it will be found more; but such is the preference. This profit must be all to the account of the British exporter; for it is not received by the colonial custom-house, and whatever the reduction of prices by excess ...
— Blackwood's Edinburgh Magazine, Volume 54, No. 337, November, 1843 • Various

... out of a book, and he'd have to do some thinking for himself. He wouldn't like that. But you have to admit he's been fighting the idea, intellectually and emotionally, right from the start. Why, they could sit down with pencils and slide rules and start working differential calculus and it ...
— Little Fuzzy • Henry Beam Piper

... aspiration can be transformed into action or effective influence. These groups are the main-drainage-system of modern life; they are the ordinary channels through which the business of the world has to pass, and its organised thought be directed. Take any one of these groups, and consider its differential character, its mode of apperception, its ethos, and you find it something deformed, twisted, strained in one direction, like a tree by the sea-shore. But take a few score of them, and imagine their qualities fused together, and the result would accord with the ideals of common humanity—ideals ...
— Personality in Literature • Rolfe Arnold Scott-James

... neglect anybody. What pleases us, we admire and further: if a man in any profession, calling, or art, does things which are beyond us, we are as guiltless of neglecting him as the Caffres are of neglecting the differential calculus. Milton sells his "Paradise Lost" for ten pounds; there is no record of Shakespeare dining much with Queen Elizabeth. And it is Utopian to imagine that statues will be set up to right men in ...
— Friends in Council (First Series) • Sir Arthur Helps

... was to serve as a larder, and this strenuous work continued until the cave was large enough to hold all the mutton, and a considerable quantity of seal and penguin. Close to this larder Simpson and Wright were busy in excavating for the differential magnetic hut. ...
— The Voyages of Captain Scott - Retold from 'The Voyage of the "Discovery"' and 'Scott's - Last Expedition' • Charles Turley

... The motor-bus reluctantly slackens and stops. Not the differential brake, nor the foot-brake, has arrested the motor-bus, but the invisible brake of public opinion, acting by administrative transmission. There is not a policeman in sight. Theoretically, the motor-'bus is ...
— The Author's Craft • Arnold Bennett

... of the fly wheel. Or a form of friction drive can be devised, by means of which the rear wheels (jacked up off the floor) may supply the necessary motive power. In such a case it would be necessary to make allowance for the differential in the rear axle, so that the power developed by the engine would be ...
— Electricity for the farm - Light, heat and power by inexpensive methods from the water - wheel or farm engine • Frederick Irving Anderson

... branch of Mathematics that has for its object the summation of a certain infinite series of indefinitely small terms: but for the solution of which, we must generally know the function of which a given function is the differential coefficient. In other words," continued Barbican, "in it we return from the differential coefficient, to the function ...
— All Around the Moon • Jules Verne

... with respect to their subjects, may be divided into the speculative, the practical, and such as are of a mixed nature. The subjects of these last are either general, comprehending both the others; or differential, distinguishing them. The general subject are either fundamental, or final: those of the fundamental kind are philosophy, human nature, the soul of man; of the final kind are love, beauty, good. The differential regard knowledge, as it stands related to ...
— Introduction to the Philosophy and Writings of Plato • Thomas Taylor

... be (and have already been) somewhat modified as occasion requires, but the principles of fixation and staining here set forth must for long remain the methods to be utilised in future work. His differential staining, in which he utilised the special affinities that certain cells and parts of cells have for basic, acid and neutral stains, was simply a foreshadowing of his work on the affinity that certain cells and tissues have for specific drugs ...
— Histology of the Blood - Normal and Pathological • Paul Ehrlich

... back to the hotel, I found Eugene with news that the differential of my car had broken, so that we could not start. It was important that we lose no time in getting the plans of the town to the German authorities, so I got Baron van der Elst to go with me to the General Staff and explain the situation. General ...
— A Journal From Our Legation in Belgium • Hugh Gibson

... expressed by means of the "characteristic function'' of the system and its differential coefficients, instead of by the radii, &c., of the lenses; these formulae are not immediately applicable, but give, however, the relation between the number of aberrations and the order. Sir William Rowan Hamilton (British Assoc. Report, 1833, p. 360) thus derived the aberrations of the third ...
— Project Gutenberg Encyclopedia

... auto-inoculable properties of the contents of the lesions, in impetigo contagiosa; the tendency to appear in groups, the smaller lesions, the intense itchiness, course, multiform characters of the eruption and the disposition to change of type in dermatitis herpetiformis,—will serve as differential points. ...
— Essentials of Diseases of the Skin • Henry Weightman Stelwagon

... The centre of pressure of the lower blade, being at a greater depth below the surface than the centre of pressure of the upper blade, acts upon a medium of greater resistance to displacement, and the differential of the pressures of the two blades produces inevitably a vibratory motion in the stern of the vessel. This effect is greatly increased when the clearance given to the screw in the dead-wood is too small; for the reduction of the hydrostatic pressure at the stern-post, and the increase of it ...
— The Atlantic Monthly, Volume V, Number 29, March, 1860 - A Magazine Of Literature, Art, And Politics • Various

... after a High School Alumnus had gone to a Varsity and scaled the fearsome heights of Integral and Differential Calculus, he came home to get some more of Father's Shirts and Handkerchiefs and take a new Slant at Life's doubtful Vista, while getting his Board ...
— Ade's Fables • George Ade

... things had happened a dozen times at least in her limited experience. But when a mere emotion assumed the importance and the reality of a solid body, she was seized by the indignant astonishment with which a mathematician might regard the differential calculus if it ceased suddenly to behave as he expected it to do. She had always controlled her own feeling with severity, and it was beyond the power of her imagination to conceive a possible excuse—unless it was a disordered liver—for another person's inability to ...
— The Miller Of Old Church • Ellen Glasgow

... said Dick. "Another hundred yards like this, and even if we don't smash the differential or the chassis, Ropes will get side-slip of the brain. Half an hour of such driving must be equal to a week in ...
— The Car of Destiny • C. N. Williamson and A. M. Williamson

... namely, "That it is the opinion of this house, that it is practicable to supply the present inadequacy of the revenue to meet the expenditure of the country, by a judicious alteration of protective and differential duties, without any material increase of the public burdens; that such a course will, at the same time, promote the interests of trade, and afford relief to the industrious classes, and is best calculated to provide for the maintenance of the public faith and the general welfare ...
— The History of England in Three Volumes, Vol.III. - From George III. to Victoria • E. Farr and E. H. Nolan

... friction of the stones simultaneously caused, has smoothed their surfaces. That is to say in general terms, the actions of environing agencies, so far as they have operated indiscriminately, have produced in the stones a certain unity of character; at the same time that they have, by their differential effects, separated them: the larger ones having withstood certain violent actions which the smaller ones could ...
— Essays: Scientific, Political, & Speculative, Vol. I • Herbert Spencer

... Every time one of 'em would land it would cheer him up an' put the other one on his mettle; an' they certainly did get more comfort an' brotherly love out of it than most folks does out of a prayer-meetin'; but after Dick went away the' wasn't no more quarrels. No, they was as differential as a pair of Japanese ambassadors; an' she never called him Dad again—never once! an' I could see him a-hunngerin' for it with the look in his eyes a young cow has when she is huntin' for the little wet calf the coyotes has beat her to. It was allus, "Yes, sir," ...
— Happy Hawkins • Robert Alexander Wason

... differential action to become evident by another means. For example, if we produce a block, by clamping at C between A and B (fig. 14, a), so that the disturbance made at A by tapping or vibration is prevented from reaching B, we shall then have A thrown ...
— Response in the Living and Non-Living • Jagadis Chunder Bose

... infinitesimally small units for observation (the differential of history, that is, the individual tendencies of men) and attaining to the art of integrating them (that is, finding the sum of these infinitesimals) can we hope to arrive at ...
— War and Peace • Leo Tolstoy

... la Lumiere," pref., VII.—He especially opposes "the differential refrangibility of heterogeneous rays" which is "the basis of ...
— The Origins of Contemporary France, Volume 4 (of 6) - The French Revolution, Volume 3 (of 3) • Hippolyte A. Taine

... a new form, as the women huddled together to sleep in each other's arms; and the men and we clustered forwards, while from every mouth fragrant incense steamed upwards into the air. 'Man a cooking animal?' my dear Doctor Johnson—pooh! man is a smoking animal. There is his ergon, his 'differential energy,' as the Aristotelians say—his true distinction from the ourang-outang. ...
— Prose Idylls • Charles Kingsley

... mathematics. Boyle, an Irishman, has been called the "father of modern chemistry," so many were his researches in that field of knowledge. Far greater than any of these men was Sir Isaac Newton, who discovered the law of gravitation and the differential calculus. During the Civil War a group of students interested in the natural world began to hold meetings in London and Oxford, and shortly after the Restoration they obtained a charter under the name of ...
— EARLY EUROPEAN HISTORY • HUTTON WEBSTER

... financial agent. He was one of the great pillars of the Bourse at Antwerp. He was likewise a tolerable scholar, a detestable poet, an intriguing politician, and a corrupt financier. He was regularly in the pay of Sir Thomas Gresham, to whom he furnished secret information, for whom he procured differential favors, and by whose government he was rewarded by gold chains and presents of hard cash, bestowed as secretly as the equivalent was conveyed adroitly. Nevertheless, although his venality was already more than suspected, and although his peculation, during ...
— The Rise of the Dutch Republic, 1555-1566 • John Lothrop Motley

... full and authoritative manner with the differential diagnosis of inversion and the other groups of transitional sexuality in Die Homosexualitaet, ch. ii; also in his fully ...
— Studies in the Psychology of Sex, Volume 2 (of 6) • Havelock Ellis

... world-wide renown. The law of gravitation was established by him, and set forth in his paper De Motu Corporum. His treatise on Fluxions prepared the way for that wonderful mathematical, labor-saving instrument—the differential calculus. In 1687 he published his Philosophiae Naturalis Principia Mathematica, in which all his mathematical theories are propounded. In 1696 he was made Warden of the Mint, and in 1699 Master of the Mint. Long a member of the Royal Society, he was its president for ...
— English Literature, Considered as an Interpreter of English History - Designed as a Manual of Instruction • Henry Coppee

... at her nervously. He had never known her so queer before. Perhaps it was some literary allusion that he had not caught; but her face did not at that moment suggest literature. In the differential tones that one uses to an old and infirm person he said "Stephen Wonham isn't my ...
— The Longest Journey • E. M. Forster

... were unearthed, and Mr. Wardrop's face, red with the filth of the bilges and the exertion of travelling on his stomach, lit with joy. The spare gear of the Haliotis had been unusually complete, and two-and-twenty men, armed with screw-jacks, differential blocks, tackle, vices, and a forge or so, can look Kismet between the eyes without winking. The crew were ordered to replace the holding-down and shaft-bearing bolts, and return the collars of the thrust-block. ...
— The Day's Work, Volume 1 • Rudyard Kipling

... perityphlitic abscess should have cleared the diagnostic atmosphere to such an extent as to justify one in declaring that, since the discovery of the abscess there could be no doubt of diffuse peritonitis, is hard to understand. According to my training in the worth of differential diagnosis, I should look upon such a diagnosis as most excellent proof that the peritoneum was still intact, and, if the case were handled carefully, its intestine sacredness would remain free from the vandalizing ...
— Appendicitis: The Etiology, Hygenic and Dietetic Treatment • John H. Tilden, M.D.

... The actual coA"fficient sought is the difference effected, in functional value, in one of two independent variables. For all formulA| in differentiation are constructed on the hypothesis that only one of two variables suffers change. The differential coA"fficient has yet to be determined which shall express the developmental changes in two variables at once. When, therefore, we attempt to extend the formulA| of differentiation to plant and animal life, we are confronted by a very formidable difficulty ...
— Life: Its True Genesis • R. W. Wright

... duty it was to regard the dividends of the shareholders rather than the interests of the public. The existence of a monopoly of this kind in private hands seemed to him indefensible. His attention was especially directed to the injury done to trade by the differential rate imposed on goods traffic; on many lines it was the custom to charge lower rates on imported than on exported goods, and this naturally had a very bad effect on German manufactures. He would have liked to remedy all these deficiencies by making ...
— Bismarck and the Foundation of the German Empire • James Wycliffe Headlam

... breathing. This was probably the result of that cold she'd gotten last week, but there was nothing like being sure. Now let's see—temperature 99.5 degrees, red cell count 4-1/2 million. White cell count ... oh! 2500 ... leukopenia! The differential showed a virtual absence of polymorphs, lymphocytes and monocytes. The whole slide didn't have two hundred. Eosinophils and basophils way up—twenty and fifteen per cent respectively—a relative rise rather than an absolute ...
— Pandemic • Jesse Franklin Bone

... that arable land was no longer being converted to pasture. We are told by Meredith, for instance, that "Moneyed men at the end of Elizabeth's reign were beginning to find it profitable to sink money in arable farming, a fact which points to the conclusion that there was no longer any differential advantage in sheep-raising."[22] Cunningham is also of the opinion that "So far as such a movement can be definitely dated, it may be said that enclosure for the sake of increasing sheep-farming almost entirely ceased with the reign of Elizabeth."[23] Innes gives as the cause of this supposed ...
— The Enclosures in England - An Economic Reconstruction • Harriett Bradley

... were not so wasted as they seem to have been. Not only Functions of a Quaternion, but other of these books, chatty books about hydro-mechanics and dynamics of a particle (no, not an article—that might have been helpful—a particle), gossipy books about optics and differential equations, many of these have a comforting air of cleanness; as if, having bought them at the instigation of my instructor, I had felt that this was enough, and that their mere presence in my bookcase was a sufficient talisman; a talisman the more ...
— If I May • A. A. Milne

... The differential diagnosis involves consideration of the characteristics of the insane, defective, and epileptic. We repeat that we agree that the mentally abnormal person may engage in pathological lying quite apart from any expression of delusions, and that during the course of such lying the insanity may ...
— Pathology of Lying, Etc. • William and Mary Healy

... sisters? What not even a 'step'? Oh, but what luck—I mean, I think we'll sit this one out, shall I? I know a lovely place—in the inspection pit. I often go and sit there when I want to have a good fruity drink—I mean, think. I always think it's so wonderful to look up and see the gear-box, and the differential, and the dear old engine-shield and feel you're alone ...
— Jonah and Co. • Dornford Yates

... this fact led almost immediately to the Method of Tangents of Fermat and Barrow; and this again is the stepping-stone to the Differential Calculus,—itself a particular application of that instrument. Dr. Barrow regarded the tangent as merely the prolongation of any one of these infinitely small sides, and demonstrated the relations of these ...
— Atlantic Monthly, Volume 3, No. 20, June, 1859 • Various

... fairer analysis than Hume's these features will persist. It, too, would be a product of selection, of a selection depending on its maker's preferences. As James showed, the distinction between 'dreams' and 'realities,' between 'things' and 'illusions,' results only from the differential values we attach to the parts of the flux according as they seem important or interesting to us or not. The volitional contribution is all-pervasive in our thinking. And once this volitional interference with 'pure perception' is shown to be indispensable, ...
— Pragmatism • D.L. Murray

... you. You want a wife who's an intellectual equal. Your head is crammed full of ideas of comradeship. Stuff and nonsense, my boy! A man doesn't want to talk politics to his wife, and what do you think I care for Betty's views upon the Differential Calculus? A man wants a wife who can cook his dinner and look after his children. I've tried both and I know. ...
— Of Human Bondage • W. Somerset Maugham

... beneficial to the interests of the unorganized and low paid workmen. There is a tendency among the employees to keep a close watch on the wages paid to other groups of their fellow workmen, and the differential between their wage and that of some other grade of employment is jealously guarded. Thus on the railways, wage increases usually advance in cycles, an advance to engineers being followed at a close interval by an equivalent advance to firemen, ...
— The Settlement of Wage Disputes • Herbert Feis

... the sickly separation of the beauty of nature from the thing to be done, must consider that our hunting of the picturesque is inseparable from our protest against false society. Man is fallen; nature is erect, and serves as a differential thermometer, detecting the presence or absence of the divine sentiment in man. By fault of our dulness and selfishness, we are looking up to nature, but when we are convalescent, nature will look up to us. We see the foaming brook with compunction; if our own life flowed with the right energy, ...
— Essays • Ralph Waldo Emerson

... or dream, or in any way imagine, how out of that mechanical art, and from these individually dead atoms, sensation, thought, and emotion are to arise? Are you likely to extract Homer out of the rattling of dice, or the Differential Calculus out of the clash of billiard balls?" Could any vitalist, or Bergsonian idealist have stated his ...
— The Breath of Life • John Burroughs

... problem was so difficult that it absolutely baffled the ingenuity of Arkwright and his contemporaries and immediate successors, and it was not until about 1825 that the difficulties were solved by the invention of the differential winding motion by Mr. Holdsworth, a well-known Manchester spinner, whose successors are still eminent ...
— The Story of the Cotton Plant • Frederick Wilkinson



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