A Century of ElectricityMacmillan, 1887 - 229 páginas |
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Página 3
... principles which underlie its numerous applications , and to learn something of the evo- lution of these principles . In this belief , the author has endeavored to sketch the growth of the science of electricity , and its principal ...
... principles which underlie its numerous applications , and to learn something of the evo- lution of these principles . In this belief , the author has endeavored to sketch the growth of the science of electricity , and its principal ...
Página 4
... principles as will enable him to comprehend the meaning of what he sees in electrical devices , with which he almost daily comes in contact . It has been assumed that the interest of the reader in the discovery of a principle or fact ...
... principles as will enable him to comprehend the meaning of what he sees in electrical devices , with which he almost daily comes in contact . It has been assumed that the interest of the reader in the discovery of a principle or fact ...
Página 12
... principles upon which the practice of the electricity of to - day is founded , it will be desirable to review briefly the early progress of the science , and to trace therein the germs of discoveries and inventions , that , within less ...
... principles upon which the practice of the electricity of to - day is founded , it will be desirable to review briefly the early progress of the science , and to trace therein the germs of discoveries and inventions , that , within less ...
Página 15
... principles of philosophy . Almost contemporaneous with Bacon lived William Gilbert , of Colchester , first physician to Queen Elizabeth , and one of the most ex- traordinary men of his time . In the preface to his great work , " De ...
... principles of philosophy . Almost contemporaneous with Bacon lived William Gilbert , of Colchester , first physician to Queen Elizabeth , and one of the most ex- traordinary men of his time . In the preface to his great work , " De ...
Página 24
... principles and his elaboration of hypotheses were charac- terized by that simplicity and clearness which made his writings upon all subjects the admira- tion of his own and future generations . He was the first who made an investigation ...
... principles and his elaboration of hypotheses were charac- terized by that simplicity and clearness which made his writings upon all subjects the admira- tion of his own and future generations . He was the first who made an investigation ...
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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.