Thank you all so much for the information, I sure would like to be able to find a service and other manuals on this. Thanks again and I'll keep trying, my buddy and I have worked on it had the motor all checked out and know this machine is working great.
Hello: I have a Joseph Weidenhoff inc. Chicago, Ill. bench generator tester model # 373 from the 1940's, I'm looking for information on where I can get a service, manual parts manual and any other information on this machine. It is for testing the generators on old motorcycles. It does say Harley Davidson on the panel and also has another model number of 11833-47. I would be more than happy to pay for a copy of manuals if anyone might have them. I've included some pictures of the machine.