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Old 5th May 2021, 10:20 pm   #4
M0FYA Andy
Nonode
 
Join Date: May 2007
Location: Preston, Lancashire, UK.
Posts: 2,510
Default Re: IBM Factory Clock

OK, Googling for IBM Slave Clock Impulser gets lots of hits, for example:-

https://www.piexx.com/imp2/imp2.html

Andy
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