Early 3M Computer Tape Type Numbers

Chuck Guzis cclist at sydex.com
Thu Jun 25 16:41:33 CDT 2020

> On 6/25/20 1:55 PM, Tom Gardner via cctalk wrote:

Off the top of my head, I have processed a lot of 701 tape.  Also,
several reels of 4-digit tape (e.g. 8140. 8938).

But again, I'd have to look through my logs.


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