punchcard svg file available

tony duell ard at p850ug1.demon.co.uk
Thu Sep 10 11:08:52 CDT 2015

> If you find a source of paper stock that works, please let everyone
> know about it. The real paper is gone, and will likely never be made
> again. It is a specialized stock that is extremely difficult to make.

What is different about it? Thickness? Weight/square metre? Density? 
Impregnated with something? 


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