Comparative tests of induction wattmeters . fing the effect of change of load at normalvoltage and frequency, and unity power = voltsTemperature = ^ factor = .99Frequency = 60 cycles/see. Current Watt-hoursmeasured Watt-hoursregistered registered 137 113 86 66 42 33 25 17 8 Dtmcaii Induction V/attraeter Type A. Data showing the effect of change of voltage at 150^load. Temperature = Q2 ° factor = .99Frequency = 60 c

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Comparative tests of induction wattmeters . fing the effect of change of load at normalvoltage and frequency, and unity power = voltsTemperature = ^ factor = .99Frequency = 60 cycles/see. Current Watt-hoursmeasured Watt-hoursregistered registered 137 113 86 66 42 33 25 17 8 Dtmcaii Induction V/attraeter Type A. Data showing the effect of change of voltage at 150^load. Temperature = Q2 ° factor = .99Frequency = 60 cycles/sec. Voltage 7Registered 9«.8 ^^^ % o^ c^ Duncan Induction V/attineter Type A. Lata showing the effect of change of voltage at 125f,load. Temperature = 62 - ° factor = ,99Frequency = 60 cycles/sec. Voltage %Registered w^tmWt^ HmM^-\. •>

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Keywords: ., bookcentury1900, bookdecade1900, bookidcomparativet, bookyear1907