Elementary Lessons in Electricity & MagnetismMacmillan and Company, 1886 - 456 sider |
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Side 4
... iron , gold , brass , and all the metals , when held in the hand and rubbed , exhibit no sign of electrification , —that is to say , do not attract light bodies as rubbed amber and rubbed glass do . Gilbert mentions also pearls , marble ...
... iron , gold , brass , and all the metals , when held in the hand and rubbed , exhibit no sign of electrification , —that is to say , do not attract light bodies as rubbed amber and rubbed glass do . Gilbert mentions also pearls , marble ...
Side 41
... iron tube , supported by a person standing on cakes of resin to insulate him , or suspended by silken strings ; Winckler of Leipzig sub- stituted a leathern cushion for the hand as a rubber ; and Gordon of Erfurth rendered the machine ...
... iron tube , supported by a person standing on cakes of resin to insulate him , or suspended by silken strings ; Winckler of Leipzig sub- stituted a leathern cushion for the hand as a rubber ; and Gordon of Erfurth rendered the machine ...
Side 46
... the purpose of warning him of the presence of atmospheric electricity , drawn from the air above his house by a pointed iron rod . to the conductor , it discharges the electricity so effect- 46 ELEMENTARY LESSONS ON [ CHAP . I.
... the purpose of warning him of the presence of atmospheric electricity , drawn from the air above his house by a pointed iron rod . to the conductor , it discharges the electricity so effect- 46 ELEMENTARY LESSONS ON [ CHAP . I.
Side 69
... Iron . Copper . Silver . Gold . Platinum . - Graphite ( Carbon ) . Though Volta gave rough approximations , the actual numerical values of the differences of potential for different pairs of metals have only lately been measured by ...
... Iron . Copper . Silver . Gold . Platinum . - Graphite ( Carbon ) . Though Volta gave rough approximations , the actual numerical values of the differences of potential for different pairs of metals have only lately been measured by ...
Side 72
... iron or steel . This magic property , as they deemed it , made the magnet - stone famous ; but it was not until the tenth or twelfth century that such stones were discovered to have the still more remarkable pro- perty of pointing north ...
... iron or steel . This magic property , as they deemed it , made the magnet - stone famous ; but it was not until the tenth or twelfth century that such stones were discovered to have the still more remarkable pro- perty of pointing north ...
Andre utgaver - Vis alle
Elementary Lessons in Electricity & Magnetism Silvanus Phillips Thompson Uten tilgangsbegrensning - 1894 |
Elementary Lessons in Electricity & Magnetism Silvanus Phillips Thompson Uten tilgangsbegrensning - 1902 |
Elementary Lessons in Electricity and Magnetism Silvanus Phillips Thompson Uten tilgangsbegrensning - 1921 |
Vanlige uttrykk og setninger
acid action æther ampères angle armature attracted ball battery brass carbon centimetre charge of electricity chemical circuit coil condenser conductor copper current flows Daniell's cells deflection diamagnetic dielectric difference of potential direction disc discharge distance earth earth's magnetism electric force electrical machine electrified body electromagnet electrometer electromotive-force electroscope electrostatic equal Faraday friction galvanometer glass rod gramme heat Hence hydrogen instrument insulated internal resistance inversely iron knob length Lesson Leyden jar light lines of force lines-of-force liquid magnetic force magnetic pole magnetic potential magnetic shell magnetised measured metal negative observed Ohm's law ohms opposite kind oscillations particles pass piece placed plate platinum polarisation positive produced proportional quantity of electricity repelled repulsion rotation round rubbed shown in Fig spark sphere steel strength substances sulphuric surface tangent tangent galvanometer thin torsion torsion balance touched tube turns voltaic volts wire zinc
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