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 287
ross girder AA, known as the bridge, aresupported on the end carriages BB. The wheels of the end carriagesrun on rails mounted on elevated structures or gantries CC. Thepurpose of the crane is to lift, transport, and deposit loads anywherewithin an area a little less than the width between the… … FlG. 4,215.—Electric traveling crane. The parts are: AA, cross girders known as the bridge;BB, end carriages; CC, elevated track structure or gantries D, hoisting drum; E,hoisting motor; F, transverse propelling motor; G, longitudinal propelling motor; H,cage or operators platform. The hoisting…
Electrical engineering
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