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- · New York, T. Audel · leaf 117
r the circuit breaker opens, but it is auto-matically reset when the circuit breaker is closed. Relays.—Oil break switches and carbon break circuit breakersare commonly used to open electrical circuits at some givenoverload and on short circuit. To secure additional protection 1,636 HAWKINS… … Fig. 2.27o.—General rMectnc type K^ circui machine tool applications. For use in mills, machine shops, factories. foundriesand office buildings. For general motor wr.rk, automobile charging outfits, storagebatteries, rectifier sets, cranes, etc. List of parts: A, calibrating post; B,…
Electrical engineering
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