The Electrical Researches of ... Henry Cavendish, F. R. S.: Written Between 1771 and 1781, Ed. from the Original Manuscript ...University Press, 1879 - 454 من الصفحات |
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الصفحة vi
... vial • ( Mém . Berl . 1756 , p . 119 ) § 8. Electric spark . § 7. Wilcke and Epinus's experiment of electrifying a plate of air 98 99 , 100 101-105 106-117 117 118-126 127 134 135-139 PRELIMINARY PROPOSITIONS . From the MS . in the ...
... vial • ( Mém . Berl . 1756 , p . 119 ) § 8. Electric spark . § 7. Wilcke and Epinus's experiment of electrifying a plate of air 98 99 , 100 101-105 106-117 117 118-126 127 134 135-139 PRELIMINARY PROPOSITIONS . From the MS . in the ...
الصفحة viii
... induction 205 Theory of condensers 206 Shock of the Leyden vial 207 Fifth hypothesis , on the communication of electricity between conductor and the surrounding air 208 ARTICLES 209 210 211 212 213 214-216 Effect of an viii CONTENTS .
... induction 205 Theory of condensers 206 Shock of the Leyden vial 207 Fifth hypothesis , on the communication of electricity between conductor and the surrounding air 208 ARTICLES 209 210 211 212 213 214-216 Effect of an viii CONTENTS .
الصفحة x
... vials 260 Estimate of the accuracy of the experiments 261 Probable cause of error 262 Weak charges always used 263 Reason for this 264 • Third experiment . On the effect of variations in the arrangement of the apparatus in testing ...
... vials 260 Estimate of the accuracy of the experiments 261 Probable cause of error 262 Weak charges always used 263 Reason for this 264 • Third experiment . On the effect of variations in the arrangement of the apparatus in testing ...
الصفحة xi
... vials 313 Experiments on 10 pieces of glass from the same piece 314 Table of their dimensions 315 Adjustment of size of coatings 316 Comparison of D + E + F when close together and when six inches apart 317 Comparison of the plates with ...
... vials 313 Experiments on 10 pieces of glass from the same piece 314 Table of their dimensions 315 Adjustment of size of coatings 316 Comparison of D + E + F when close together and when six inches apart 317 Comparison of the plates with ...
الصفحة xiii
... vials Discussion of the results • Appearance of the three green cylinders ( 4 ) REPULSION AS SQUARE OF REDUNDANT FLUID . From MS . No. 8 . The repulsion between two bodies electrified to the same degree ought , by the theory , to be ...
... vials Discussion of the results • Appearance of the three green cylinders ( 4 ) REPULSION AS SQUARE OF REDUNDANT FLUID . From MS . No. 8 . The repulsion between two bodies electrified to the same degree ought , by the theory , to be ...
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عبارات ومصطلحات مألوفة
balls separated battery better than salt brass canals of incompressible capacity Cavendish charge circ circle coated plate column communication computed conductor conducts consequently contain crown glass cylinder deficient fluid degree of electrification density diam diameter discharge disk doub electric fluid electric organs electromotive force experiment force glass plate greater hemispheres inches inches long incompressible fluid infinite inner globe Lane's Leyden vial manner matter Nairne observed particle pass piece pith balls placed plate air plate of glass positively electrified potential Prop proportion quantity of electricity quantity of fluid quantity of redundant ratio redundant fluid repelled resistance salt in 69 seemed sensib shock side silk strings sliding plate small in respect space specific gravity spread uniformly square suppose surface theory thickness tinfoil torpedo touched trial plate tricity tried tube undercharged
مقاطع مشهورة
الصفحة lxvi - AN ATTEMPT TO EXPLAIN SOME OF THE PRINCIPAL PHENOMENA OF ELECTRICITY, BY MEANS OF AN ELASTIC FLUID*.
الصفحة 376 - An Essay on the application of Mathematical Analysis to the Theories of Electricity and Magnetism...
الصفحة 4 - ... which I call the electric fluid, the particles of which repel each other and attract the particles of all other matter with a force inversely as some less power of the distance than the cube ; the particles of all other matter also repel each other and attract those of the electric fluid, with a force varying according to the same power of the distances. Or, to express it more concisely, if you look upon the electric fluid as matter of a contrary kind to other matter...
الصفحة xlv - He would undertake the most laborious researches in order to clear up a difficulty which no one but himself could appreciate, or was even aware of, and we cannot doubt that the result of his enquiries, when successful, gave him a certain degree of satisfaction. But it did not excite in him that desire to communicate the discovery to others which, in the case of ordinary men of science, generally ensures the publication of their results. How completely these researches of Cavendish remained unknown...
الصفحة lx - Arts. 57-1, 575, 629, 686. intensity, are contained in the Report of the British Association for 1876. The laws of the strength of currents in multiple and divided circuits are accurately stated by Cavendish in Arts. 417, 597, 598. Cavendish applied the same method of experiment to compare the resistance of the same liquid at different temperatures*, and he found that "salt in 69 [of water] conducts 1'97 times better in heat of 105 than in that of 58£." He also found that "the proportion of the...
الصفحة 8 - WE. 80] COR. V. Let now the body H consist of a globe, whose diameter equals AB ; the globe being situated in such a manner, that the canal CG, if continued, would pass through its center; and let the electric attraction and repulsion be inversely as the square of the distance, the quantity of redundant fluid in the globe will be...
الصفحة xxxv - The following extracts will indicate the chief points of electrical interest. " The vigour of the fresh taken Torpedos at the Isle of R6 was not "able to force the torpedinal fluid across the minutest tract of air; " not from one link of a small chain, suspended freely, to another ; not " through an almost invisible separation, made by the edge of a pen" knife in a slip of tinfoil pasted on sealing-wax.