Electric toy making for amateurs. This work treats on the making of electrical toys, electrical apparatus, motors, dynamos and instruments in general ... By T. O'Conor Sloane .. (1914)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, The N.W. Henley publishing co. · leaf 34
is description is far from a simple matter. The magnetic pendulum shows how a magnet canbe instrumental in producing one. The original idea of the apparatus was to show therotation of the earth by Foucaults well-known ex-periment. A pendulum has fitted to the upper endof its rod, a piece of iron… … Fig. 11. The Magnetic Pendulum. It is therefore peculiarly well adapted to be usedin proving, by its change of plane of oscillation, therotation of the earth upon its axis. 34 ELECTRIC TOY MAKING. It is not to be supposed that the motion is withoutretardation from its method of suspension.…
Electric apparatus and appliances · Electric toys
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