Comparative tests of induction wattmeters . -4 1 1 ^ -. iptm 3^ .a lU .«! 1^ Schaeffer Induction Wattmeter Type E. Data showing the effect of change of voltage at125^load. Temperature = - ^ factor = .99Frequency = 60 cycles/sec. Current Voltage Registered I. Schaeffer Induction Wattmeter Type E. Data shov/ing the effect of change of voltage at 100^load. Temperature = - ° factor = .99Frequency = 60 cycles/sec. VQltage Registered 111.

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Comparative tests of induction wattmeters . -4 1 1 ^ -. iptm 3^ .a lU .«! 1^ Schaeffer Induction Wattmeter Type E. Data showing the effect of change of voltage at125^load. Temperature = - ^ factor = .99Frequency = 60 cycles/sec. Current Voltage Registered I. Schaeffer Induction Wattmeter Type E. Data shov/ing the effect of change of voltage at 100^load. Temperature = - ° factor = .99Frequency = 60 cycles/sec. VQltage Registered -^^tei mm, . ^ load. Schaeffer Induction TTattmeter Type E. Data showing the effect of change of voltage at 75^ Temperature = - °F. Power factor = .99Frequency = 60 cycles/sec. Current Voltage Registered mM-wm ???!rj?t!|irir/:jrr: TWFT •;]&;:jiiiHi^ \ (S ^^ :v-i%- I IHP- ??! I ? = i ? f 1^:/ i--f-:i- v Schaeffer Induction Y,^attmeter Type E. Data showing the effect of change of voltage at 50/^load. Temperature = 61,7 - ° factor = .99Frequency = 60 cycles/sec. Voltage «7Registered Il» *, ^^ V^J- - KV 5) v -^ -i ] ^ Q ? ^ I - ^ 1 :^:^^ r >>. ij ^ ii£a

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Keywords: ., bookcentury1900, bookdecade1900, bookidcomparativet, bookyear1907