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 230
this type; while in Fig. 247 is a simple bearing showingthe division of the pedestal. Ball-bearings have recently been applied to generators and mo-tors—particularly the latter, on account of their low static friction. Where space and low frictionlosses are essential, and wherethere is little…
Electrical engineering
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