A Century of ElectricityMacmillan, 1887 - 229 páginas |
Dentro del libro
Resultados 1-5 de 44
Página 32
... operations of Gal- vani's establishment not being completely dif- ferentiated , several of these animals , after being prepared for the former , were placed on a table CHAPTER II GALVANI, VOLTA, THE BATTERY AND THE ELECTRIC CURRENT.
... operations of Gal- vani's establishment not being completely dif- ferentiated , several of these animals , after being prepared for the former , were placed on a table CHAPTER II GALVANI, VOLTA, THE BATTERY AND THE ELECTRIC CURRENT.
Página 33
... operation , one of the frogs was accidentally touched by a knife in the hands of an assist- ant , and the muscles of the limb were instantly thrown into strong convulsions . This fact was observed by the lady , who communicated it to ...
... operation , one of the frogs was accidentally touched by a knife in the hands of an assist- ant , and the muscles of the limb were instantly thrown into strong convulsions . This fact was observed by the lady , who communicated it to ...
Página 42
... operation of the pile , but the major part of his important dis- coveries were really contributions to chemistry , made possible by the use of the electric current . They were based upon a most valuable observa- tion by Hisinger and ...
... operation of the pile , but the major part of his important dis- coveries were really contributions to chemistry , made possible by the use of the electric current . They were based upon a most valuable observa- tion by Hisinger and ...
Página 53
... operation required greater time and the strength of the current was correspondingly less ; exactly as , in the case of the reservoirs , if the connecting pipe be small , or if for any other reason it offer considerable resistance , the ...
... operation required greater time and the strength of the current was correspondingly less ; exactly as , in the case of the reservoirs , if the connecting pipe be small , or if for any other reason it offer considerable resistance , the ...
Página 55
... , or join their upper ends by a wire . This is Volta's cell in operation . Bubbles of gas now appear in considerable numbers about the copper plate . In both cases the gas is hydrogen . When the THE BATTERY AND THE CURRENT . 55.
... , or join their upper ends by a wire . This is Volta's cell in operation . Bubbles of gas now appear in considerable numbers about the copper plate . In both cases the gas is hydrogen . When the THE BATTERY AND THE CURRENT . 55.
Otras ediciones - Ver todas
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.