A Century of ElectricityMacmillan, 1887 - 229 páginas |
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Página 36
... cell , and to this theory Volta clung persistently . Later on , when the chemical action of the voltaic current came to be studied , and espe- cially when the chemical action going on in the cell came to be understood , what is known as ...
... cell , and to this theory Volta clung persistently . Later on , when the chemical action of the voltaic current came to be studied , and espe- cially when the chemical action going on in the cell came to be understood , what is known as ...
Página 37
Thomas Corwin Mendenhall. cell came to be understood , what is known as the " chemical theory " was advocated , in which the seat of the electromotive force of the cell was affirmed to be in the chemical affinity existing between its ...
Thomas Corwin Mendenhall. cell came to be understood , what is known as the " chemical theory " was advocated , in which the seat of the electromotive force of the cell was affirmed to be in the chemical affinity existing between its ...
Página 46
... cells produced such enthusiasm among all lovers and patrons of science , that he was enabled to continue his researches , assisted by one of the most power- ful batteries ever constructed . It was erected in the Royal Institution , and ...
... cells produced such enthusiasm among all lovers and patrons of science , that he was enabled to continue his researches , assisted by one of the most power- ful batteries ever constructed . It was erected in the Royal Institution , and ...
Página 50
... cell . It was soon discovered that this " polar difference , " or intensity of electrification in a battery , depended on the number of pairs or cells , and not at all on their size . As most of the effects of the pile first studied ...
... cell . It was soon discovered that this " polar difference , " or intensity of electrification in a battery , depended on the number of pairs or cells , and not at all on their size . As most of the effects of the pile first studied ...
Página 51
... cell the term " electromotive force " is applied to - day ; it is also frequently spoken of as the " difference of potential " be- tween the poles . As already stated it depends almost entirely on the character of the poles or ...
... cell the term " electromotive force " is applied to - day ; it is also frequently spoken of as the " difference of potential " be- tween the poles . As already stated it depends almost entirely on the character of the poles or ...
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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.