Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 499
Fig. 1134. Fig. 1133. Under the main body of the car is a thin, broad plough (Figs. 1139 and1140), side and front elevation, that passes through the slot between the railswith wires (as shown in figures) leading to the trolley, which is brought incontact with the conductor by making connections… … Fig. 1138. Fig. 1137. ENGINEERING DRAWING. 483 pressed against them. Thecurrent forms a complete cir-cuit, passing up through onewire and one blade of theplough to the motor; thence itreturns through the other bladeand wire to the power house.None of the current returnsthrough the rails or…
Mechanical drawing
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