Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 79
afurther development ofthis type of voltmeter tomeasure up to 100,000volts. In this instrumenta movable plate V is at-tracted by a highly in-sulated plate B connected Fig. 63—Lord Kelvins Llectrostatic Balance, showing lines tO the body whosC preSSUreof force between plates • i j i i IS to be… … Static or Condenser Instruments shown in Fig. 64, an attracted disc electrometer diagram : thedisc is hung on a beam balanced by a weight; the disc is sur-
Electrical engineering · Electric power
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