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In Reply to: RE: On Bogey Tubes for Calibrating Tube Testers posted by Awe-d-o-file on June 28, 2013 at 11:40:50:
Ahhh...No!
When you open a box of JAN contract tubes that's been sealed since it left the manu's factory....one can be 100% certain it's NOS.
If you've been at this long enough, you can tell a NOS/NIB tube from a used one.
jstrm
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- RE: On Bogey Tubes for Calibrating Tube Testers - JSTRM 07/1/1317:31:40 07/1/13 (0)