CD 2055086 E&MP10.004
A skilled workman hand-finishing the collector rings of a special 150,000 ampere unipolar generator, built in Westinghouse Electric shops.
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TAKES COPPER’S JOB:
Because of its ability to resist wear, withstand great amounts of heat and carry heavy electrical loads without softening. Cupaloy was used for the current collecting rings on this generator rotor which delivers a current of 150,000 amperes.
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Original Caption by Science Service