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 154
The rocker arm is made from a piece of sheet fiber SIMPLE ELECTRIC LOCOMOTIVE MOTOR. 153 to insulate the brushes from the bearing. At eachend is riveted, or screwed, an angle piece of brass towhich the ring brushes are attached. The hole in the center of the brush holder is drilledof a sufficient…
Electric apparatus and appliances · Electric toys
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