Also known as a vacuum tube tester from 1941. see: https://shopgoodwill.com/item/154331926
Bidding is over 11/9/2022 so page will be gone after that. The shipping is often quite high in case you are collector of antiques.
Bidding is over 11/9/2022 so page will be gone after that. The shipping is often quite high in case you are collector of antiques.