Subject: Knowledge Base

Mike Loewen mloewen at
Fri Jan 16 12:09:02 CST 2015

On Fri, 16 Jan 2015, Al  Kossow wrote:

> On 1/16/15 8:39 AM, Guy Sotomayor wrote:
>>  One that I've been following recently is Carl Claunch's blog on restoring
>>  the
>>  IBM 1130 that he rescued.
> He mentioned on the 1401 list that he's come up with a mod to the 
> Documation card readers to read right-notched cards. I was hoping he 
> might have posted what he'd done somewhere as I tried it by cutting a 
> trace to ignore the top edge sensor on the trailing edge of a card scan, 
> but that didn't work.

    Please pass that on if you find out what it is.  I have the same setup.

Mike Loewen				mloewen at
Old Technology

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