Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics (1918)
Gillette, Halbert Powers, 1869-, Dana, Richard Turner, 1876-1928, joint author · New York, McGraw-Hill · leaf 1045
m, Fig. 28,when the car is in motion, and by turning the ecceptric which sup-ports the drum the chain is made to engage with the motorpinion. Bloclis are placed under the rear wheels of the truck toassist the brakes in preventing motion of the truck when the cableis being pulled. After the drag…