Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 305
294 HOROLOGICAL. … f^Z33r- 1194&. ELECTRIC BAL-ANCE WHEEL CLOCK.—G represents the magnet, Hthe balance wheel, D armature,111 a pin on the balance wheel,C ratchet wheel, h and / arepawls, P adjusting screw.When the circuit is closed themagnet draws the armature Dforward, whereby the ratchetwheel C is turned the…
Mechanical movements
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