Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 293
1158. LANTERN-WHEEL ESCAPEMENT.—The pallet arm A is attached directly to the pen-dulum, swinging upon the axis A, and receives itsimpulse from the inclined faces of the pallets C, B.Used for large clocks. 1159. PIN-WHEEL ESCAPEMENT, with adead-beat stop motion. For short-beat pendulumclocks. 286… … (^ 1160-1161. HOOK-TOOTH ESCAPEMENT.—The teeth are arranged alternately on twoescapement wheels. The oscillation of the semicircular pallet alternately releases and receives animpulse from the hook teeth of the escapementwheel. The curved outer face of the teeth actsupon the edge of the straight…
Mechanical movements
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