Conar Model 221 Portable Tube Tester Vintage National Radio Institute NRL

Description

Vintage Conar 221 Tube Tester. Being sold as is, as found.  I tried testing a 12ax7 and the tester does not seem to function as it should.  I have very little knowledge of tube testers so your results may vary.  This is being sold as is for parts or repair. It lights up and the meter moves.
Please refer to all photos, as they aid in the description. Additional photos are available upon request.
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