Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 298
HOROLOGICAL. 287 n TA Y ^^ 5 \^ jh u … 1165. THREE-TOOTHED ESCAPEDMENT for a pendulum. The pallets are madein a plate attached to a pendulum. The es-capement makes one rotation to every threeJ~/ beats of the pendulum. 1166. MUDGE GRAVITY ESCAPEMENT. —The pallets A, B are on separate arbors, with,arms extending down to the pendulum…
Mechanical movements
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