Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 297
C^ 288 HOROLOGICAL. … 1169. DOUBLE TRI-TOOTH PENDU-LUM ESCAPEMENT with fly regulator.The alternate teeth of the escapement lock onopposite sides of the pallet frame. The im-pulse is given by the small triangular arborstriking the curved pallets. iiyo. BLOXAMS GRAVITY ESCAPE-MENT.—The pallets receive an impulse from…
Mechanical movements
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