punching paper tape

Paul Koning paulkoning at comcast.net
Fri Mar 26 15:02:25 CDT 2021

> On Mar 26, 2021, at 3:31 PM, Guy Fedorkow via cctalk <cctalk at classiccmp.org> wrote:
> wow, what format?
>   The codes I'm punching should line up with a long-dead machine,
> Whirlwind from MIT, so I think you'd consider them to be 7-track binary,
> i.e., same size as an 8-track teletype tape with one track blank, but no
> recognizable coding like ASCII.

Some machines used 7-track paper tape that is narrower than 8 track tape.  I thought Whirlwind was one of those.


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