International Library of Technology · Scranton, International Textbook Co. · leaf 427
o slide upand down. Current iscarried to U by meansof the flexible asbestos-covered cable C, which follows thecarbon up and down through a slot cut in one side of thetube. The rocker is made up of two levers, a hingedat a and b hinged at b. These levers are connected by aspring c that will allow… … Fig. 33. 60 ELECTRIC LIGHTING. § 18 moves down a corresponding amount. Each armature isprovided with two holes, through which the conical polepieces project when the armature is pulled up. The clutchrod/ is attached to but insulated from the rocker a, and isfastened to the clutch g through the…
Electrical engineering
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