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 58
Fig. 37. Reversing Switches,a—Knife Switch; &—Cylinder Switch. 45 36 DIRECT-CURRENT MOTORS will flow downwards through the motor armature; and with theblocks m, u, p, and q in contact, the current will flow upwards. Itis obvious that this arrangement may be extended to execute muchmore…
Electrical engineering
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