Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 77
Mechanical Movements. 73 288 and 289. The former is wha-t is termed arecoil^ and the latter a repose or dead-beat escape-ment for clocks. The same letters of referenceindicate like parts in both. The anchor^ H, L,K, is caused, by the oscillation of the pendulum,to vibrate upon the axis, a. Between…
Mechanical movements
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