punching paper tape

Christian Corti cc at informatik.uni-stuttgart.de
Sat Mar 27 02:52:18 CDT 2021

On Fri, 26 Mar 2021, Paul Koning wrote:
> Some machines used 7-track paper tape that is narrower than 8 track 
> tape.  I thought Whirlwind was one of those.

Yes, the LGP-30 uses 7-tack paper tape as well. Normal 8 track paper tape 
is 25.4mm, 7 track tape 22.2mm. The latter is absolutely unobtanium... (I 
think we have one or two spools).


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