![](http://www.alamy.com/thumbs/6/508FE89C-6B6F-46CB-AE60-8A01297BBEC6/2RC1FN4.jpg)
Image of a dynamo or generator set manufactured by Westinghouse Electric Co. in Pittsburgh, PA. The set comprises a single rotatable armature with a commutator at each end. The motor on the right is connected to a 10 volt storage battery. The generator on the left generates direct current at 300 volts. This device is used in connection with the , a ground-to-air communication set for airplanes equipped with or
Size: 7982px × 6303px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., ...67, ...68, ...69, 10, 21, 300, 500, 1918, 300040, activities, airplanes, american, armature, battery, commutator, current, direct, dynamo, electric, feb, february, generator, laboratory, leotrid, military, motor, notes, pa, photographs, pittsburgh, radio, set, storage, volts, war, westinghouse, world