Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1310
Fig. 595partly assembled 25 cycle, 500 k. w., 20,000 to 375 volt TRANSFORMER Transformers 1275 … Fig. 596 COBE AND COILS, 500 K. W., 20,000 TO 375 VOLT TRANSFORMERS 1276 Steam Engineering wound with double cotton covered strip copper^ one turnper layer^ with fullerboard insulation^ in addition to thecotton covering, between turns. Exceptions to this con-
