This vintage Supreme Model 504-A Vacuum Tube Tester is a rare find for collectors and enthusiasts alike. With its unique design and functionality, this item is perfect for those who are looking to add a piece of history to their collection or use it for parts or repair.
The brand, Supreme, is known for its quality products and this tube tester is no exception. Made in the United States, it has been a trusted tool for those in the business and industrial field. The model, 504-A, is a sought-after item that is sure to impress anyone who sees it. This is a great opportunity to own a piece of history and add value to your collection. Sold as is for parts or repair.