Tesla at a banquet

Earliest commercial Tesla motor developed by Westinghouse in 1895

Earliest commercial Tesla type motor developed by Westinghouse engineers is pictured above. Introduced about 1985, this two-phase 200-volt wound-rotor machine had resistances attached to ends of each stator bar. Manually operated multiple-contact (32) rotary rig was used to short resistances when motor attained full operating speed.



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