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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 200

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 200
723. RHEOSTAT OR RESISTANCE COILS, with variable switch. Coils are made of iron, platinum,or German silver wire. The switch connections are somade that the coils may be made to connect the linewith one or any number in series. … 724. TROLLEY CAR, showing the circuit from thegenerator ^, through the linewire to car and return byrail circuit. 725. SECTIONAL FEEDER SYSTEM for electric railways.The trolley wire line is divided into a convenient number of sections F, for feeders froma long main line,or divided intoseveral…

Mechanical movements

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