Comparative tests of induction wattmeters (1907) (14593895829)

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RMM8371R–Comparative tests of induction wattmeters (1907) (14777474371)

RM2ANEGG3–Comparative tests of induction wattmeters . Calibration of Thomson Anmieter i^ 111756. April 15, 1P07. Dynamometerreading Trueamperes Ammeterreading 27.0 1.08 1 103.0 2.02 2 227,0 3.01 3 11,5 3.90 4 20.0 5.00 5 April 29, 1907. namometer True Ammeter reading amperes reading 27.0 0.98 1 105,0 2.00 2 230.0 3.02 3 15.0 4.18 4 22.0 5.25 5. I^^SgP^HSfii

RMM8371W–Comparative tests of induction wattmeters (1907) (14780276592)

RM2ANEBEK–Comparative tests of induction wattmeters . Calibration of Thomson Ammeter # 31524, April 15 , 1907. Dynamometerreading Trueamperes Ammeterreading 19.0 4.45 5.0 44,9 7.48 7.5 83.0 10.16 10.0 132.0 12.42 12.5 190.0 15.53 15.0 April 29, 2907. •naraometer True Ammeter reading amperes reading 46.0 7.5 7.5 85.0 10.3 10.0 133.5 12.9 12.5 193.0 15.6 15.0. ??>????—????????>?????????????—????????????•?????—WMjigjglllWB????»??«?•? ????????—????????»?????>????????—?????»????? 81 ?»??! ????????????????—??—?????? ??^??????B ?????—??????? ??????Wy— ??????!??????????????????????I !*?? ?•????????????

RMM8371X–Comparative tests of induction wattmeters (1907) (14800497843)

RM2ANEAJG–Comparative tests of induction wattmeters . jjj,^^jBi^p/ -m^M^. Calibration of Weston Wattmeter l!= 466 April 15,1907. Anqjeres • Volts Watts 5.0 110 549 7.5 n 835 10.0 H 1096 12.5 II 1399 15.0 H April 29, 1907. 1680 Amperes Volts Watts t,p 110 547.5 7.5 It 835.0 10.0 11 1105.0 12.5 N 1386,5 15.0 *H 1666.5 ? UIBH. ???iaa I???•????a*????I iuainsBB ?*?! smsssasmaB :fflgMgB!fflaBJl Saaaam^laBsagin^i ?—??»——?—? ——11MM—????IPWl ik ^iSSSSiSSSSSSSRS «^M «?????????????? . fvs ssssswsKssiasastvsaBggif ?van »??<????? wwi ???——?? —?? ???»? 1

RMM8371T–Comparative tests of induction wattmeters (1907) (14778246524)

RM2ANEC5X–Comparative tests of induction wattmeters . Calibration of Thomson /jnmeter # 31524. April 2, 1907. DJm&mometerheading Trueamperes 14.7 4^27 23.0 5.3 30.0 ? 6.05 43.5 7.3 48,3 7.71 60.0 8.61 72.7 9.57 85.0 10.22 100,2 11.11 115.1 11.94 131.0 12.78 144.0 13.41 162.0 14.3 176.5 14.95 194.0 15.7 Ammeterreading 4.4 5.42 6.2 6.97 7.75 8.53 9.36 10.1 10.83 11.64 12.45 13.1 13.88 14.47 :15.2

RM2ANEK74–Comparative tests of induction wattmeters . Calibration of Queen & Co. Electro-dynamometer # 111,High Current Coil April 2, 1907. April 29, 1907. Trueamperes Dynamometerreading Trueamperes Dynamometerreading 2.75 5.0 20 4 12.6 7.5 46 6 29.0 10.0 81.25 8 51.85 12.5 125.5 10 80.95 15.0 179.5 12 115.5 4.0 14.5 14 156.5 16 179.0Low Current Coil April 2, 1907. April 29, 1907. ffirueamperes Dynamometerreading True amperes Dynamometerreading 0.5 6.25 .75 16.5 1.0 25.25 1.0 28.0 1.5 57.25 1.5 60.0 2.0 101.5 2.0 105,0 2.5 158.25 2.5 161.0 3.0 225.7 5.0 228.5 3.5 309.25 5.5 312.5 3.75 360.0

RM2ANEJR5–Comparative tests of induction wattmeters . Calibration of Queen & Co. Electro-dynamometer # 111,High Current Coil April 2, 1907. April 29, 1907. Trueamperes Dynamometerreading Trueamperes Dynamometerreading 2.75 5.0 20 4 12.6 7.5 46 6 29.0 10.0 81.25 8 51.85 12.5 125.5 10 80.95 15.0 179.5 12 115.5 4.0 14.5 14 156.5 16 179.0Low Current Coil April 2, 1907. April 29, 1907. ffirueamperes Dynamometerreading True amperes Dynamometerreading 0.5 6.25 .75 16.5 1.0 25.25 1.0 28.0 1.5 57.25 1.5 60.0 2.0 101.5 2.0 105,0 2.5 158.25 2.5 161.0 3.0 225.7 5.0 228.5 3.5 309.25 5.5 312.5 3.75 360.0. „^..„^l^^»«

RM2ANEHT2–Comparative tests of induction wattmeters . Calibration of Thomson Anmoter 1117o5, April 2, 3;S07, DynaraonotGr Time Aimneter recdixig ampere 3 reeding IC.O ,r>i .54 r:3«0 ,95 ,89 47,0 l,oG 1.^ C3.0 1.58 1.55 07,0 1.07 1.95 125.0 2.22 2.18 150.0 2.5 2.47 194.0 2.78 2.7G 232.0 3.03 3.03 276.0 3.3 0,3 318.0 3,66 3.54 15.0 4,35 4.1817.2 4,G1 4.51 19.1 4,84 4.86. Calibration of Thomson Anmieter i^ 111756. April 15, 1P07. Dynamometerreading Trueamperes Ammeterreading 27.0 1.08 1 103.0 2.02 2 227,0 3.01 3 11,5 3.90 4 20.0 5.00 5 April 29, 1907. namometer True Ammeter reading amperes reading 27.0

RM2ANEC1B–Comparative tests of induction wattmeters . Calibration of Thomson /jnmeter # 31524. April 2, 1907. DJm&mometerheading Trueamperes 14.7 4^27 23.0 5.3 30.0 ? 6.05 43.5 7.3 48,3 7.71 60.0 8.61 72.7 9.57 85.0 10.22 100,2 11.11 115.1 11.94 131.0 12.78 144.0 13.41 162.0 14.3 176.5 14.95 194.0 15.7 Ammeterreading 4.4 5.42 6.2 6.97 7.75 8.53 9.36 10.1 10.83 11.64 12.45 13.1 13.88 14.47 :15.2. Calibration of Thomson Ammeter # 31524, April 15 , 1907. Dynamometerreading Trueamperes Ammeterreading 19.0 4.45 5.0 44,9 7.48 7.5 83.0 10.16 10.0 132.0 12.42 12.5 190.0 15.53 15.0 April 29, 2907. •naraometer Tr

Comparative tests of induction wattmeters (1907) (14593895829)

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