Electric toy making for amateurs : including batteries, magnets, motors, miscellaneous toys and dynamo construction (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York : Munn · leaf 84
81 THE ELECTRIC HAMMER. The second terminal of the coil is soldered to the metallic frame at any convenient point. … FIG. 32. PLAN OF CONNECTIONS op ELECTRIC HAMMER. To the frame a swinging arm is pivoted, the same pivot serving for it and for the contact plate. It is bent so as to pass back of the stem of the hammer, and has two striking pins extending from it. A pin attached to the hammer stem, strikes one of…
Electric apparatus and appliances · Electric toys
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
