ed travel chiefly. Long distance pas- with reasonable prospect of success, sengers can ride on the surface cars to the nearest elevated station and and, if successful, will add to the efficiency of an instrument of de- then take an express train. struction, while from the same mill The drawings… … other wires. is in the construction of collapsing into a very small If the cars above use electric motors, the direct wires CROSS SECTION SHOWING ELECTRIC CONNECTIONS, fraction of its original bulk for return as an “ empty.” can be placed in safe position, and a return wire will keep the current…
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