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 1351
come the friction in the bearings and cyclometer, so that thesmallest current through the mains will produce rotation. At the bottom of the armature shaft is an aluminumdisc revolving between the poles of permanent magnets. 1316 Steam Engineering This devide prevents the meter from running at too… … Fig. 620diagram of connections. thomson recording watt-hour meter A meter running too slow from age, or dirty bearingscould be brought up to proper speed by swinging the mag-nets in a little. For heavy currents the appearance of the meter is quitedifferent, as is shown in Fig. 621. The retarding…
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