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 81
t to represent the hammer head. One battery wire connects directly with one of thecoil terminals. The other battery wire is attached toa flat rubbing plate of ebonite, or hard wood, whichis secured by a single screw to the frame, so that itcan be swung up or down, as desired. The attach-ment of the… … Fig. 31. The Electric Hammer. Eleyation. THE ELECTRIC HAMMER. 81 The second terminal of the coil is soldered to themetallic frame at any convenient point.
Electric apparatus and appliances · Electric toys
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