Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 296
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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