In Reply to: RCA 5691 / 5692 posted by kotms on July 25, 2010 at 13:15:31:
Breathe heavily on the glass, above the octal keyway (that's where RCA usually put it). You might see a faint number...
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Follow Ups
- RE: RCA 5691 / 5692 - Tom Bavis 07/25/1017:08:47 07/25/10 (0)