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 210
its shoeis pressed against its wheel. Thus one tension applies both shoes.In order that both shoes may exert practically the same pressureon the wheel rims, the lever arms of the two levers are of differentlengths. For a tension of 1,000 pounds in the tension rod in Fig. 83 thereis applied to the… … {--]
Electrical engineering
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