. The Street railway journal . INSULATION CLOSET IN THE WEST PENN RAILWAYSCOMPANYS SHOPS herewith. The magnetic circuit is built of laminations andis 3 ins. X 5 ins. in cross section. The opening inside is 5ins. X 12 ins. A wooden frame holds the laminations to-. DOUBLE MOVEMENT DEVICE FOR HOT PRESSING COILS gether. The top section of the circuit is suspended by arope passing over a pully above and counterbalanced. Theillustration shows a field coil being used as a primary , a specially wound coil of seventy-eight turns ofNo. 5 wire is usually employed. Alternating current is ob-ta
. The Street railway journal . INSULATION CLOSET IN THE WEST PENN RAILWAYSCOMPANYS SHOPS herewith. The magnetic circuit is built of laminations andis 3 ins. X 5 ins. in cross section. The opening inside is 5ins. X 12 ins. A wooden frame holds the laminations to-. DOUBLE MOVEMENT DEVICE FOR HOT PRESSING COILS gether. The top section of the circuit is suspended by arope passing over a pully above and counterbalanced. Theillustration shows a field coil being used as a primary , a specially wound coil of seventy-eight turns ofNo. 5 wire is usually employed. Alternating current is ob-tained from connections with the city lighting system. BAKING OVEN Coils and armatures are baked in an electrically heatedbox built of reinforced concrete. The wiring is so ar- 74 STREET RAILWAY JOURNAL. [Vol. XXXL No. 3. ranged that the electric heaters may be used in connectionwith armature testing circuits where from 5 to 12 amperesare required. The winding room devices described were gotten up
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
