A Century of ElectricityMacmillan, 1887 - 229 páginas |
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Página 41
... copper and lead for the water , and found in each case that the pure metal was deposited at one of the poles .. These were the beginnings of electro - chemistry . Among the many who became interested in the new science was a young ...
... copper and lead for the water , and found in each case that the pure metal was deposited at one of the poles .. These were the beginnings of electro - chemistry . Among the many who became interested in the new science was a young ...
Página 42
... copper , zinc , fluid ; copper , zinc , fluid ; and so on was adhered to , the series begin- ning with copper and zinc , and ending with the same . Erman of Berlin pointed out that the presence of the copper at the beginning , and ― the ...
... copper , zinc , fluid ; copper , zinc , fluid ; and so on was adhered to , the series begin- ning with copper and zinc , and ending with the same . Erman of Berlin pointed out that the presence of the copper at the beginning , and ― the ...
Página 43
... copper end the positive . The same observation was made by Dr. Priestley , who at this time was experiment- ing in America . This explanation will account for an apparent error in Nicholson's description of his experiment , already ...
... copper end the positive . The same observation was made by Dr. Priestley , who at this time was experiment- ing in America . This explanation will account for an apparent error in Nicholson's description of his experiment , already ...
Página 46
... copper and zinc , and the liquid was a mixture of water , and nitric and sulphuric acids . When it was put in action the effects were extraordinary . They are described by Davy as follows : - When pieces of charcoal about an inch long ...
... copper and zinc , and the liquid was a mixture of water , and nitric and sulphuric acids . When it was put in action the effects were extraordinary . They are described by Davy as follows : - When pieces of charcoal about an inch long ...
Página 55
... copper , each some- what longer than the depth of the tumbler , and well cleaned . Put them in the dilute acid so ... copper will be unaffected . Now incline them until they rest in contact at the top , or join their upper ends by a wire ...
... copper , each some- what longer than the depth of the tumbler , and well cleaned . Put them in the dilute acid so ... copper will be unaffected . Now incline them until they rest in contact at the top , or join their upper ends by a wire ...
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Términos y frases comunes
already Ampère appear armature arranged attracted battery beatification cable carbon cell century chemical circuit coil conductor connected consists construction copper core Crown 8vo current of electricity CYRUS W dash Davy deflect device devised direction discovery disk duced duplex dynamo dynamo-electric dynamo-electric machine effect elec electric current electric light electric telegraph electricians electrified electro-magnet electromotive force energy exhibited experiment experimental extremely fact Faraday Faraday's field flow Franklin Galvani galvanometer gutta-percha heat important increased induction insulated invention inventors known lamp latter Leyden jar lines of force machine magnetic needle means ment metals method Morse motion motor nearly number of lines Oersted's operation passed periment poles possible present principle produced rapid receiving instrument resistance rotation Royal Society science of electricity scientific signals siphon recorder stopcock successful sulphuric acid telegraph tion trans transmission transmitted tricity vibration wheel wire zinc
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Página 46 - ... of an inch), a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness, and by withdrawing the points from each other a constant discharge took place through the heated air, in a space equal at least to four inches, producing a most brilliant ascending arch of light, broad and conical in form in the middle.
Página 22 - I never was before engaged in any study that so totally engrossed my attention and my time, as this has lately done ; for what with making experiments when I can be alone, and repeating them to my friends and acquaintance, who, from the novelty of the thing, come continually in crowds to see them, I have, during some months past, had little leisure for any thing else.
Página 47 - ... producing a most beautiful coruscation of purple light, the charcoal became intensely ignited, and some platina wire attached to it, fused with brilliant scintillations, and fell in large globules upon the plate of the pump. All the phenomena of chemical decomposition were produced with intense rapidity by this combination.
Página 25 - The electric fluid is attracted by points. We do not know whether this property is in lightning, but since they agree in all the particulars in which we can already compare them, is it not probable they agree likewise in this? Let the experiment be made.