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 95
withindividual motor drive, there are many cases in the average shopwhere the group drive is more economical. This is true for machinesused frequently but not simultaneously. Thus, an emery wheel. t . yS3???T^ ^Hl ^. fl k ^•^ ~MA 1 Wt 1 i^ Ifl H 1*^ Pi m ^^^ iN BH ;: ,^M. „ ^^B*^*^ Fig. 11. Stow… … Fig. 12. Westinghouse Motor Direct-Connected to Hays Spindle BorerCourtesy of Westinghouse Electric and Manufacturing Company
Electrical engineering
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