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 504
in alternating-currentsystems, is described on page 305, in connection with transformer fuse blocks. 454 ALTERNATING-CURRENT MACHINERY 437 described below, are arranged to open with a snap^ even though thecontrolling lever is moved slowly. Fig. 378 shows a common form of knife switch specially…
Electrical engineering
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