A Century of ElectricityMacmillan, 1887 - 229 páginas |
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Página 41
... equal quantity of common air , and exploded by the application of a lighted waxen thread . Platinum was used instead of the brass wires , and gas was liberated at both poles . When collected separately and examined , one proved to be ...
... equal quantity of common air , and exploded by the application of a lighted waxen thread . Platinum was used instead of the brass wires , and gas was liberated at both poles . When collected separately and examined , one proved to be ...
Página 46
... equal to at least four inches , producing a most brilliant ascending arch of light , broad and conical in form in the middle . When any substance was introduced into this arch , it instantly became ignited ; platina melted as readily in ...
... equal to at least four inches , producing a most brilliant ascending arch of light , broad and conical in form in the middle . When any substance was introduced into this arch , it instantly became ignited ; platina melted as readily in ...
Página 52
... equal to that of the Leyden jar , and a current may be maintained for hours and for weeks . The energy of the current , supplied continually by the chemical action in the battery , may be utilized as heat , for the production of motion ...
... equal to that of the Leyden jar , and a current may be maintained for hours and for weeks . The energy of the current , supplied continually by the chemical action in the battery , may be utilized as heat , for the production of motion ...
Página 77
... equal rank with those of Galvani and Volta and of Oersted and Ampère . Physicists were not idle , however , during these ten years , and many observations were recorded , which , on account of their great in- terest and their relation ...
... equal rank with those of Galvani and Volta and of Oersted and Ampère . Physicists were not idle , however , during these ten years , and many observations were recorded , which , on account of their great in- terest and their relation ...
Página 114
... equal length to be wound around the core in such a way that they are similarly situated in regard to it : a current sent through either of these coils will magnetize the core , and , if sent through both coils in the same direction ...
... equal length to be wound around the core in such a way that they are similarly situated in regard to it : a current sent through either of these coils will magnetize the core , and , if sent through both coils in the same direction ...
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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
Pasajes populares
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.