10.004 Dynamics - Dynamos, Science Service Historical Image Collection

1937 - hand-finishing the collector rings of a special 150,000 ampere unipolar generator

WORKMANSHIP

CD 2055086 E&MP10.004

Dynamos

1937

A skilled workman hand-finishing the collector rings of a special 150,000 ampere unipolar generator, built in Westinghouse Electric shops.

additonal text found

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.