Roth Brothers Antique Electric Motor Converter not Fan

Roth Brothers Antique Electric Motor Converter not Fan

It runs on 40v dc and puts out an AC voltage on the converter side. The brushes on the run side are adjustable for timing by rotating the brush holder assembly. The rope covering on one of the fields need some repair. This is cosmetic and doesn’t affect the function. Height is appx 8 1/2.…