Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
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Resultados 1-5 de 40
Página 557
... lower end of a metallic rod , which passes through an opening in the top of a bell - glass , and terminates in a ball . The metallic rod is sometimes , for the sake of better insulation , inclosed in a glass tube secured by sealing ...
... lower end of a metallic rod , which passes through an opening in the top of a bell - glass , and terminates in a ball . The metallic rod is sometimes , for the sake of better insulation , inclosed in a glass tube secured by sealing ...
Página 559
... lower end a notch or slit . When the cap b is turned , the cylinder d turns with it ; but the latter can also be turned separately , so as not to change the reading . These parts com- pose the torsion - head . A very fine metallic wire ...
... lower end a notch or slit . When the cap b is turned , the cylinder d turns with it ; but the latter can also be turned separately , so as not to change the reading . These parts com- pose the torsion - head . A very fine metallic wire ...
Página 575
... lower parts of the uprights , are two cushions , which act as rubbers when the plate is turned . In front of the plate are two metallic conductors supported on glass legs , and terminating in branches which are bent round the plate at ...
... lower parts of the uprights , are two cushions , which act as rubbers when the plate is turned . In front of the plate are two metallic conductors supported on glass legs , and terminating in branches which are bent round the plate at ...
Página 581
... lower , but , if touched with the finger ( to connect it with the earth ) , receives an opposite charge by induction . On lifting it away by its insulating handle , it is found to be charged , and will give a spark . It may then be ...
... lower , but , if touched with the finger ( to connect it with the earth ) , receives an opposite charge by induction . On lifting it away by its insulating handle , it is found to be charged , and will give a spark . It may then be ...
Página 582
Augustin Privat-Deschanel Joseph David Everett. fixed opposite the lower portion of the plate ; and on the other side , immediately opposite to this , is a metallic comb N forming the extremity of a conductor connected with the earth ...
Augustin Privat-Deschanel Joseph David Everett. fixed opposite the lower portion of the plate ; and on the other side , immediately opposite to this , is a metallic comb N forming the extremity of a conductor connected with the earth ...
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