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 181
ods to secure the proper engagementof the chain with the sprockets. Combination Chain andGear Drive.—For veryheavy trucks where a con-siderable reduction in speedis required between the motorand wheels, a double reduc-tion is sometimes used asshown in fig. 4,080. The motor is usually hungabove the…
Electrical engineering
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