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  • 1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes
  • 1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes
  • 1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes
  • 1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes

1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes

1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes, 1935 Vacuum Tube Testing adapter tester Octal 950-G-E-M Radio tubes sell

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1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes

1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes, Before television existed the octal base for vacuum tubes was developed This suddenly made a ton.

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Product Name: 1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes
Before television existed, the octal base for vacuum tubes was developed. This suddenly made a ton of old tube testers obsolete...unless you bought this add-on! order It has setting codes for 30 or so of the very first octal tubes to be tested on antique vacuum tube testers. NA-ALD made it. 950 GEM chart has more settings. Dark brown bakelite. Very rare collector's piece. I can't find any info about it online. Ironically, I haven't tested it.

1935 Vacuum Tube Testing adapter tester Octal order 950-G-E-M Radio tubes