I'm not sure if this can go in the "test equipment" category, it might be better suited for "repair."
My favorite surplus place is going out of business. It seems the owner's land is worth more than he can get from the business, and at 77,he's ready to retire. I had to purchase this from the person who bought much of his inventory. I've considered buying it many times, but always declined. Well, given "one more chance" I took it.
This is a General Radio random noise generator. Made in the <Dave Voice> United States of America. I know absolutely nothing about it. If Dave and the moderators don't object, I'll be posting some pictures.
I have not applied power, as there are some potential problems I want to address first.