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 204
Pig. 484. Fig. 485. … Fig. 486. Fisg. 481 to 486.—Various open fuses. Fig. 481, fuse for main and branch blocks; fig. 482,standard railway fuse; fig. 483, Edison main style; fig. 484, W. U. pattern; fig. 485,Bell telephone style; fig. 486, sneak current fuse. When an open fuse blows as aresult of overloading, the…
Electrical engineering
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