OVERHEAD TRACK CONSTRUCTION FOR DIRECT-CURRENT ELECTRIC RAILWAYS. (INCLUDES PLATE AT BACK OF VOLUME).

Keywords: OVERHEAD, TRACK, CONSTRUCTION, DIRECT, CURRENTS, ELECTRIC, RAILWAYS, ELECTRIFICATION, MECHANICAL, PROBLEMS, DESIGN, EQUIPMENT, ELECTRICAL, PRESSURE, REGULATION, LOSS, RESISTANCE, HEATING, CONDUCTORS, TEMPERATURE, CATENARIES, WIRE, DOUBLE, STEEL, NON FERROUS, AUTOMATIC, TENSIONING, TANGENTS, WIND, DEFLECTION, GRADIENTS, CONTACT, CALCULATIONS, FLEXIBILITY, SUPPORTS