IBM 029 Keypunch has arrived

25 May 2009

...
   This is part
of a 48v DC supply. Should I build a simple 48V supply 
 myself or even see what I can find in my verifier spares?  Yes, replacing the power
supply is probably your best options. 
That's something I'd not want to do, simply because it's not original. I 
really like to keep the original circuit design throughout the machine, 
even in things like PSUs Of coruse anothter 48V PSU will work, but the 
keypunch (or whatever) is no longer the same piece of hardware.

It's certainly an option to consider to get the machine working while 
you're trying to get the ferrorresonant supply to work (or while you're 
trying to get a replacement ferroresonant trasnformer for 50Hz mains)

-tony

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IBM 029 Keypunch has arrived