Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 241
olenoid. The plunger is guidedat the top and bottom, so that it passes between two flat rollers.One of these is geared to the recording dials and the other is onthe end of a lever. At periodic intervals of about one minute thislever is moved by a revolving cam, causing the plunger to be… … Fig. 245.I^rd Kelvins Electricity Meter Feeler Type Meters current passing- in the coil. The zero position of the plunger isadjusted so that the lifting bar touches a fixed stop and the disc onthe plunger at the same time. The driving mechanism is exceed-ingly simple, and entirely automatic in its…
Electrical engineering · Electric power
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