Effectively there were optical card "punches", also known as #2 pencils.
--
Mike Harding
z/VM System Support

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The IBM z/VM Operating System <[email protected]> wrote on 07/21/2010
11:07:38 AM:

> From: Mike Walter <[email protected]>
> Hey... if they had optical card readers, why weren't there any optical
> card punches?  Think of all the chaff that could have been saved!  ;-)

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