Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 440
oppositeside to the other contact, and out on the latter. The armature carries a small wood float and the total weight ofthe moving element is somewhat less than the buoyancy of themercury, the difference between the weight and the buoyancy effectcausing a slight upward pressure against the top… … Fig. 94. Sangamo Type D-5 Direct-CurrentWatt-Hour Meter. Courtesy of Sangamo Electric Company Fig. 95. Sangamo Type D-5 Direct-CurrentWatt-Hour Meter, with Cover and Record-ing Train RemovedCourtesy of Sangamo Electric Company molded insulating material, and in this is imbedded a piece of…
Electrical engineering
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