Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 298
the weights. 1174. COMPENSATION WATCH BAL-ANCE.—At the ends of the balance bar are at-tached compound sector bars, the inner sectionof which is of steel, and the outer section of brass.The weights b^ b regulate the momentum of thebalance wheel, while the change in length of thearms is compensated… … 1175. WATCH REGULATOR.—The outer end of the balance spring is fixed to a stud atR, and the inner end to the balance wheelarbor. The index hand carries two curb pinsat P, between which the spring vibrates, form-ing a neutral point in its length which limitsthe arc of movement of the balance wheel,…
Mechanical movements
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