Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
Dentro del libro
Resultados 1-5 de 22
Página 542
... armature , 823. Wilde's machine , 824. Dynamo - electric machines , 825. Ladd's , 826. Siemens ' , 827. Gramme's , 828. Wheatstone's telegraphic cur- rents , 829. Arago's rotations , 830. Copper dampers and Faraday's cube , 831 ...
... armature , 823. Wilde's machine , 824. Dynamo - electric machines , 825. Ladd's , 826. Siemens ' , 827. Gramme's , 828. Wheatstone's telegraphic cur- rents , 829. Arago's rotations , 830. Copper dampers and Faraday's cube , 831 ...
Página 584
... armatures ( that is , the patches of tin - foil , or paper patches answering the same purpose ) , these armatures are furnished with projecting points of cardboard which collect electricity from the revolving plate by discharge through ...
... armatures ( that is , the patches of tin - foil , or paper patches answering the same purpose ) , these armatures are furnished with projecting points of cardboard which collect electricity from the revolving plate by discharge through ...
Página 682
... armatures P , which can be screwed on or off , have the form of rounded cones , and produce a great concentration of force at their extremities . APPARATUS FOR DIAMAGNETISM . 683 The action of magnetism upon 682 EXPERIMENTAL DETAILS .
... armatures P , which can be screwed on or off , have the form of rounded cones , and produce a great concentration of force at their extremities . APPARATUS FOR DIAMAGNETISM . 683 The action of magnetism upon 682 EXPERIMENTAL DETAILS .
Página 770
... armature A , with its lever t , turns about the axis V V ' . The opposing spring g has one end fixed at K , and the other attached to the end of the lever t . It therefore tends to remove the armature from the magnet . and d are two ...
... armature A , with its lever t , turns about the axis V V ' . The opposing spring g has one end fixed at K , and the other attached to the end of the lever t . It therefore tends to remove the armature from the magnet . and d are two ...
Página 783
... armatures moved automatically . 815. Ruhmkorff's Induction - coil . - Induced currents capable of pro- ducing very striking effects are furnished by the apparatus first successfully constructed by Ruhmkorff , and hence known as Ruhm ...
... armatures moved automatically . 815. Ruhmkorff's Induction - coil . - Induced currents capable of pro- ducing very striking effects are furnished by the apparatus first successfully constructed by Ruhmkorff , and hence known as Ruhm ...
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