The Electrical Researches of ... Henry Cavendish, F. R. S.: Written Between 1771 and 1781, Ed. from the Original Manuscript ... |
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Page xiv
... touching eight or nine times with coated plate and wire Thickness . C 36031 Three coated plates • D ⚫05908 F 05914 ARTICLES 438 439 440 441 442 C , D , F close together and far asunder Three coated plates , 1.8 diam . , 18 thick 443 ...
... touching eight or nine times with coated plate and wire Thickness . C 36031 Three coated plates • D ⚫05908 F 05914 ARTICLES 438 439 440 441 442 C , D , F close together and far asunder Three coated plates , 1.8 diam . , 18 thick 443 ...
Page xx
... ] . Second leather Torpedo touched in various 612 ways • Experiments without any Torpedo . 613 Anatomy of electric organs of Torpedo 614 Second leather Torpedo new covered 615 RESISTANCE TO ELECTRICITY . From MS . No. 20 . XX CONTENTS .
... ] . Second leather Torpedo touched in various 612 ways • Experiments without any Torpedo . 613 Anatomy of electric organs of Torpedo 614 Second leather Torpedo new covered 615 RESISTANCE TO ELECTRICITY . From MS . No. 20 . XX CONTENTS .
Page li
... touching with a body of small capacity . ( Arts . 412 , 441 , 582. ) This method is the same as that used by MM . Weber and Kohlrausch in their classical investigation of the ratio of the electric units * . Thus the method of ...
... touching with a body of small capacity . ( Arts . 412 , 441 , 582. ) This method is the same as that used by MM . Weber and Kohlrausch in their classical investigation of the ratio of the electric units * . Thus the method of ...
Page lviii
... touched with one the tinfoil belonging to one of the tubes to be compared , and then with the other touched the knob of jar No. 1 , so as to receive a shock , the charge passing through his body and the first tube . He next laid one of ...
... touched with one the tinfoil belonging to one of the tubes to be compared , and then with the other touched the knob of jar No. 1 , so as to receive a shock , the charge passing through his body and the first tube . He next laid one of ...
Page 105
... touching the inner globe , a piece of silk string being fastened to the end of the wire , by which I could draw it out at pleasure . 220 ] Having done this I electrified the hemispheres by means of a wire communicating with the positive ...
... touching the inner globe , a piece of silk string being fastened to the end of the wire , by which I could draw it out at pleasure . 220 ] Having done this I electrified the hemispheres by means of a wire communicating with the positive ...
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Common terms and phrases
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
Popular passages
Page lxvi - AN ATTEMPT TO EXPLAIN SOME OF THE PRINCIPAL PHENOMENA OF ELECTRICITY, BY MEANS OF AN ELASTIC FLUID*.
Page 376 - An Essay on the application of Mathematical Analysis to the Theories of Electricity and Magnetism...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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.