Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 303
294 HOROLOGICAL. … 1194^. ELECTRIC BAL-ANCE WHEEL CLOCK.—G represents the magnet, Hthe balance wheel, D armature,}n 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 distance of one…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-717-324.webp)