Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1297
is shown a core of iron hav-ing on one end a primary coil connected to a battery. Onthe other end of the core is another coil connected to theends of which is an incandescent lamp. By making andbreaking the battery circuit the lamp may be made to flash 1262 Steam Engineering up, due to the great… … Fig. 584 duced by the field magnet when the circuit is broken isliable to puncture the insulation and necessitate the re-winding of the field coil. Eeferring to Fig. 585, A Tepresents the alternator, B itsbrushes and D and E the mains to the transformer H. This
