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 1342
Fig. 610 diagram of magnets, flux, coil and inner core of weston instrument … Fig. 611view of movement of weston instruments 1308 Steam Engineering springs^ the angular movement of the coil depending onthe strength of the current in the coil and the strength ofthe field in which it is placed. To the coil is attached a pointer of aluminum^ the wholebeing balanced so that the…
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