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In Reply to: The code (factory) you circled looks to be Chelmsford... posted by DeKay on July 12, 2012 at 17:11:18:
The codes are upside down and only the first line is clearly visible.The first line reads 163. 16 (or I6) is the code for a 12ax7 and the 3 means of the 3rd construction type. It's the first character in the second line that denotes the plant of manufacture. I can't read the second line.
Tre'
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Edits: 07/12/12
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Follow Ups
- RE: The code (factory) you circled looks to be Chelmsford... - Tre' 18:30:32 07/12/12 (1)
- Yup, I see right side up now. NT - DeKay 20:55:00 07/12/12 (0)