e Exposition, pieces of interior illumination at the Exposition. The ture of this machine is that there is only one turn of which shows that this apparatus has lost none of its room is circular in form, with a diameter of eighteen wire on each bobbin, giving what has always been re- popularity.… … THE SPERRY ELECTRIC RAILWAY SYSTEM, light is reduced, and there is a corresponding saving in the motor in the center of the truck, the weight PLAN AND SECTION. on the axle is reduced to a minimum. There is the amount of power required when a lesser amount lighter has two turns of wire and the…
Internet Archive · Public domain (published before 1931). Free to use for anything.
