Willoughby, George Alonzo, 1894- · Peoria, Ill. : Manual Arts Press · leaf 79
mpossibleto bring the two pieces in contact, however hard the lamp isturned. If this should happen to be the case, open the smtchand pry this little piece up with a knife or screwdriver. (If the switch is not opened, youwill undoubtedly blow a fuseby making a coimection be-tween this little piece… … Fig. 48. The interior of a com-mon lamp socket. The dark areasshow the path of the current. but still refuses to light, it may be burnt out; that is, the fila-ment may be burnt or broken. To determine whether or notthis is the case, try a different lamp in the same socket orhold it up to the light…
Electricity · Electrical engineering
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