CORRESPONDENCE. THE MECHANICAL PARTS OF LARGE WINDING-ENGINES.
Proceedinga.] PARTS OF LARGE WINDING-ENGINES. 153 automatic take-up gear would have to be provided with friction The Authors. apparatus instead of ratchets. The latter could give only step-bystep adjustment, and the degree of accuracy depended upon the fineness of pitch of the teeth, or on an arrangement of multiple pawls. The spring-box used in connection with the Whitmore brake had theeffect of preventing quick braking from taking place, unless means were provided to render the springs inoperative a t t h a t point where quickbrakingshould commence...
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