Dynamo electric machinery; its design, construction, and operation; direct-current machines (1915)
Sheldon, Samuel, 1862-1920, Hausmann, Erich, 1886- joint author · New York, D. Van Nostrand Company; · leaf 248
sed to dust, chips,etc.; in such cases theyshould be of the enclosedtype. Fig. 148 depicts a back-geared motor driving aHamilton drill press. Thistype of motor is desirablefor slowly moving ma-chines, since it permits ofthe usual high armaturespeeds. A protectingguard surrounding thegear and pinion… … Fig. 148. MOTORS. 237
Electric machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
