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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 191

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 191
that the brush will comein contact with the metal segmentwhen the hour hand of the clockreaches the desired hour. 450c. MAGNETIC DRIVE. The wheel is driven by a mag-netically actuated ratchet and pawl mechanism. The attraction of the armature by the magnetspushes a pawl into a ratchet-tooth space…

Mechanical movements

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