The Radio City Products Co Inc. Model 323 Tube Tester is a vintage collectible item that allows users to test the performance of vacuum tubes in radios, TVs, and other electronic devices. This tester, which is in working condition, is a valuable tool for those interested in repairing and maintaining classic electronic equipment. Its compact design and easy-to-use functionality make it a practical addition to any collection or workshop.

This unit is working making it even more valuable.

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