Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 153
and tubes. The lug by which it isclamped to the frame is slotted to permit radial adjustment of theholder. The armature terminal lugs are cast as part of the brush-holderso that the current may be conducted away from a point as nearthe commutator as possible. No unnecessary heat is produced bythis… … Fig. 40. Brush Holders 130 ELECTRIC RAILWAYS 35 housings have bored seats and are clamped between the two halvesof the field casting. The axle-bearing bushings are split. Theyare supported by hollow extensions from the main frame and firmlyclamped between these and cast-steel axle caps above. The…
Electrical engineering
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