The Automobile Industry - 1923

"WINDING ARMATURES FOR MOTOR-CAR GENERATORS
Until Recently is has been necessary to wind armatures with these comparatively simple machines. To keep the tension uniform with the constant starting and stopping of the wire reels of the type shown in the left foreground was apparently an unsolvable problem. A new machine has just been perfected, however, which automatically winds the armatures, one girl being able to do the work of four, with none of the strain involved. The wire is drawn to a 15-pound tension."
Photographer Unknown

(These outstanding historic photographs are from a 1923 National Geographic article entilted: 'The Automobile Industry - An American Art That Has Revolutionized Methods in Manufacturing and Transformed Transportation')