Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 570
\^sj/ WATT METER 10ooooooGENERAL ELECTRIC CO 1000 ^ (J Watt Hrs. Constant Watt HrsVJ No.7 = 9.912.100 o Ov o WATT METER GENERAL ELECTRIC CO. 100° Hrs. Constant Watt Hh. Q No.8 =9.928.000 … o WATT METER iooooooogenERALELECTRIC CO 00 ~ \J Watt Hrs. Constant Watt Hrs\Jj No.9=9.918.100 <0 WATT METER .ooooowqenERAL ELECTRIC CO. ,00° ^ \CjWatt Hrs. Constant Watt Hrs.CJ
