Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
Dentro del libro
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Página 542
... Copper dampers and Faraday's cube , 831 . Electro - medical machines , 832. Lines of force involve no hypothesis , 833 , CHAPTER LX . ELECTRIC TELEGRAPHS . pp . 771-804 . History , 834. Batteries , 835. Wires ; No return wire needed ...
... Copper dampers and Faraday's cube , 831 . Electro - medical machines , 832. Lines of force involve no hypothesis , 833 , CHAPTER LX . ELECTRIC TELEGRAPHS . pp . 771-804 . History , 834. Batteries , 835. Wires ; No return wire needed ...
Página 567
... copper wire and tin - foil , and insu- lated from the earth . He charged this box very strongly by outside communication with a powerful electrical machine ; but a gold - leaf electrometer within showed no effect . He says , " I went ...
... copper wire and tin - foil , and insu- lated from the earth . He charged this box very strongly by outside communication with a powerful electrical machine ; but a gold - leaf electrometer within showed no effect . He says , " I went ...
Página 627
... copper wire . He calculated that the retardation of the middle spark was of a second , which was therefore the time occupied in travelling through a quarter of mile of copper wire . This is at the rate of 288,000 miles per second , a ...
... copper wire . He calculated that the retardation of the middle spark was of a second , which was therefore the time occupied in travelling through a quarter of mile of copper wire . This is at the rate of 288,000 miles per second , a ...
Página 644
... copper cone , screwed on to the iron , as shown in Fig . 410 , which is half the actual size . This form of termination is better than a needle point , because less liable to fusion . The general arrangement is represented in Fig . 409 ...
... copper cone , screwed on to the iron , as shown in Fig . 410 , which is half the actual size . This form of termination is better than a needle point , because less liable to fusion . The general arrangement is represented in Fig . 409 ...
Página 646
... copper can , containing water , which can be dis- charged through the brass pipe b by turning a tap . The mode of insulation is worthy of notice . The can is supported on a glass stem c , which is surrounded , without contact , by a ...
... copper can , containing water , which can be dis- charged through the brass pipe b by turning a tap . The mode of insulation is worthy of notice . The can is supported on a glass stem c , which is surrounded , without contact , by a ...
Términos y frases comunes
acid action angle apparatus armature arrangement attraction axis ball battery binding-screws body called carbon cells centimetres centre charge circuit condenser conductor connected consists copper copper plate copper wire current is passing cylinder deflection denote diamagnetic difference of potential disc discharge distance earth effect electrical machine electrified electro-magnet electro-motive force electrolysis electroscope employed energy equal experiment galvanometer glass gutta percha heat Hence horizontal increase inner coating instrument insulated intensity inversely junction knob length Leyden jar lines of force liquid magnetic force magnetic meridian mercury metal millimetre mirror galvanometer motion movable needle negative observed obtained opposite direction outer coating parallel perpendicular plane poles portion positive electricity produced quantity of electricity repelled represented in Fig repulsion resistance revolving rotation round shellac side solenoid spark surface suspended telegraph temperature terrestrial magnetism Thomson effect tion tricity tubes of force unit V₁ velocity vertical wire zinc