Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 240
ust before the countingtrain is actuated, in order that the reading registered shall be thatcorresponding to a point on the rising part of the magnetisationcurve of the iron, so that errors due to hysteresis, which wouldotherwise occur through readings being taken sometimes on a risingand sometimes… … Fig 244.—Siemens Brothers Feeler Meter The clock mechanism consists of a heavy balance-wheel R,delicately poised on the ball bearings, which receives occasionalimpulses from an electro-magnet M connected with the volt circuit,and will maintain a constant speed spite of large variations ofvoltage as…
Electrical engineering · Electric power
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