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200 kW Alexanderson alternator preserved at the Grimeton radiotelegraphy station, Sweden, the only remaining example of an Alexanderson transmitter.
200 kW Alexanderson alternator preserved at the Grimeton radiotelegraphy station, Sweden, the only remaining example of an Alexanderson transmitter.
Alexanderson 200-kW motor-alternator set installed at the US Navy's New Brunswick, NJ station, 1920.
Alexanderson 200-kW motor-alternator set installed at the US Navy's New Brunswick, NJ station, 1920.
Rotor of 200 kW alternator
Rotor of 200 kW alternator
Closeup of above rotor. It has 300 narrow slots cut through the rotor. The "teeth" between the slots are the magnetic poles of the machine.
Closeup of above rotor. It has 300 narrow slots cut through the rotor. The "teeth" between the slots are the magnetic poles of the machine.
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Alternators made in 1909 by Ganz Works in the power generating hall of a Russian hydroelectric station (photograph by Prokudin-Gorsky, 1911).
Alternators made in 1909 by Ganz Works in the power generating hall of a Russian hydroelectric station (photograph by Prokudin-Gorsky, 1911).
Alternator mounted on an automobile engine with a serpentine belt pulley (belt not present.)
Alternator mounted on an automobile engine with a serpentine belt pulley (belt not present.)