Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 294
on maybe made to the electro-magneticbrake in the form of a hand or foot release lever, by which the brakecan be released or its pressure regulated. Loads are then hoisted by themotor, and are allowed to run down by their own weight, the speed ofdescent being regulated by the brake. Where the… … FlGS. 4,226 and 4,227.—Niles crane construction: Electric brake. It is of the ironclad solenoidtype and is fitted with a removable brake band which engages almost the entire circumferenceof a turned and balanced wheel. The band is of special steel and lined with a renewablefriction wearing surface.…
Electrical engineering
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