Practical electricity, with questions and answers (1901)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 224
dle is prevented from vibrating back and forth on eachside of the point at which it will finally come to rest. Thebobbin B is made of copper, and when it moves there will becrenerated in it currents which,according to Lentzs law,tend 211 to prevent its motion. The mechanical momentum given tothe… … Figure 74 Western electric m^^ effort of iron strip to get into as powerful field as possible, or to get as near to the wire carrying current as possible. In Fig. 72 is a sketch of the Weston di-rect current ammeter. The working parts -are preciselythe same, the principle of operation is identical,…
Electricity · Electric generators
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