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In Reply to: The colour code was only used for a limited period of time... posted by mb-de on January 13, 2004 at 03:13:17:
You are right that the color coding was abandoned in 60's and other identifiers were used to specify tubes. Most old tube hands are aware of that.
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- Re: The colour code was only used for a limited period of time... - cbes 16:41:05 01/14/04 (0)