Terak 8510 system on eBay (# 300248208909)

Tony Duell ard at p850ug1.demon.co.uk
Tue Aug 12 01:49:40 CDT 2008

> I've also had good results with pre-OMNIBUS PDP-8 gear by removing all
> the cards, then cleaning the backplane with a chunk of manila folder,
> cut to one 36-pin slot width, then dipped in >70% isopropyl alcohol
> and run up and down each slot (switch to a new section when you start
> to see grey streaks on the paper).  That one trick has taken machines

I find a bit of 80-column punched card used in much the same way is ideal 
for this... But perhaps it's a waste of rare punched cards these days :-(


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