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 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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