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 95
£ 5*0 g ,2.pq^r-foe- 0 ^ 8.S2 W o 2,188 HAWKINS ELECTRICITY 96. Wet or short circuited instrument. Effect: No signal will show at magneto switchboard and use ofstation instrument will be impaired and magneto will turn hard.Test: Open line and ring; if magneto still turn hard, open con-nections one… … LINEWIRES 8—- WIRES TO TELEPHONE SET A N»60A0R60E^S /PROTECTOR.*-> / CONNECTIONS TOq ( METALLIC LINE <§><*><> GROUNDWIRE GROUND,WIRE N4 60A0R60E\ /PROTECTOR.„ /CONNECTIONS TO~ t GROUNDED LINE LINEWIRE ^.PORCELAIN TUBES_FOR ENTRANCE WIRES Fig. 3,017.—Method of wiring a telephone…
Electrical engineering
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