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 337
ery Company 299 92 STORAGE BATTERIES of the Edison type, arranged in a steel box. These small unitsare useful for surgical appliances, dentists outfits, laboratory uses,etc. Fig. 70 shows a group of Electric Storage Battery signal cellsassembled in a case. They are extensively used in railway… … Fig. 71. Electric Mine Hauling Locomotive Courtesy of Engineering A^ews A larger field is still open in which experiments have just begun,that is, the use of storage batteries for traction purposes. It isclear that in tunnels and mines especially, storage batteries shouldbe used. The absence of any…
Electrical engineering
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