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 429
as all the rotating parts of themotor are providefl withball bearings which re-duce the friction to aminimum. The motordevelops about 20 horse-power. Cars. The cars usedon this system weigh,without passengers,about 3 tons and have acapacity of about 20persons. They run ata speed of about 12^miles…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
