Quote:
Originally Posted by Findm-Keepm
Doug and others,
G, H and K were the common second letter - they were the manufacture years 81, 82 and 83. The first letters were a simple A-M (I was skipped, I believe) that stood for the month of manufacture.
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I called my brother on this - he worked at Cain too, for longer than I did. He corrected me on two things -
(1) we were at "L" for the year code when we both quit in early January 1984, and J wasn't skipped, so if L was 1983, you could go up or down the alphabet and figure the year from there.
(2) Also, the months were labeled different for different years, even vs odd perhaps. A-M and N-Z or thereabouts were the two month groups, always ascending. So, AL or NL was a January, 1983 tube, depending on the month code group for 1983.
He also suggested I speak with Bernie - maybe I'll have more.
Cheers,