Comparative tests of induction wattmeters . 1 g^ SbB » 1 ^ j^Hj Schaeffer Induction Wattmeter Type B. Data showing the effect of change of load at normalvoltage and frequency, and unity power = 110 voltsTemperature = ° factor = .99Frequency = 60 cycles/sec. Current ?/att-hoursmeasured Yfatt-hoursregistered registered

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Keywords: ., bookcentury1900, bookdecade1900, bookidcomparativet, bookyear1907