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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 294

An illustration from 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, leaf 294
HOROLOGICAL. 287 … 1165. THREE^TOOTHED ESCAPE-MENT for a pendulum. The pallets are madein a plate attached to a pendulum. The es-capement makes one rotation to every threebeats of the pendulum. 1166. MUDGE GRAVITY ESCAPEMENT. —The pallets A, B are on separate arbors, witharms extending down to the pendulum…

Mechanical movements

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