Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 83
Mechanical Movements. 79 313. Chronometer escapement, the form now commonlyconstructed. As the balance rotates in the direction of thearrow, the tooth, V, on the verge, presses the passing-spring against the lever, pressing aside the lever and re-moving the detent from the tooth of the…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
