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Vintage Visulite TV vacuum tube continuity checker manufactured by Keystone Electronics Corp. of New York.
Features sockets for:
• 7-pin tubes
• 9-pin tubes
• Octal tubes
• Loctal tubes
Includes the attached two-prong power cord and original hinged carrying case. Used vintage condition with scratches, discoloration, dust, oxidation and other age-related wear. No instructions, tubes or additional accessories are included.
This is a basic continuity-style tube checker with a neon indicator, not a full emission or transconductance tester. Please examine all photos for the exact cosmetic condition and included components.
