The Electrical Researches of ... Henry Cavendish, F. R. S.: Written Between 1771 and 1781, Ed. from the Original Manuscript ... |
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Page xxxv
... tricity , and shewn to be producible by a quick succession of minute " shocks . This in the Torpedo may perhaps be effected by the suc- " cessive discharge of his numerous cylinders , in the nature of a running " fire of musketry ; the ...
... tricity , and shewn to be producible by a quick succession of minute " shocks . This in the Torpedo may perhaps be effected by the suc- " cessive discharge of his numerous cylinders , in the nature of a running " fire of musketry ; the ...
Page xxxvii
... tricity of the torpedo : he says , ' if that could be proved , he does not see why we might not have storms of thunder and lightning in the " depths of the ocean . Indeed , I must say , that when a Gentleman can so far give up his ...
... tricity of the torpedo : he says , ' if that could be proved , he does not see why we might not have storms of thunder and lightning in the " depths of the ocean . Indeed , I must say , that when a Gentleman can so far give up his ...
Page 46
... tricity as if it communicated with this part by a canal of incom- pressible fluid , and therefore is not at all electrified . 105 ] If any body A , insulated and saturated with electricity , is placed at a great distance from any over ...
... tricity as if it communicated with this part by a canal of incom- pressible fluid , and therefore is not at all electrified . 105 ] If any body A , insulated and saturated with electricity , is placed at a great distance from any over ...
Page 97
... tricity than before . HYP . 4th . Whenever an undercharged body is brought near another it makes it more able to contain electricity . 203 ] COR . I. Whenever any body at a distance from any other electrified body is positively ...
... tricity than before . HYP . 4th . Whenever an undercharged body is brought near another it makes it more able to contain electricity . 203 ] COR . I. Whenever any body at a distance from any other electrified body is positively ...
Page 108
... tricity in the inner globe , I tried the experiment in a different manner , namely , before the hemispheres were electrified , I electri- fied the pith balls positively , making them separate about one inch . When the hemispheres were ...
... tricity in the inner globe , I tried the experiment in a different manner , namely , before the hemispheres were electrified , I electri- fied the pith balls positively , making them separate about one inch . When the hemispheres were ...
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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.