unreadable HP cartridges

Tony Duell ard at p850ug1.demon.co.uk
Wed Jun 22 17:43:31 CDT 2005

> Ok, use a magnetic fingerprinting powder on it ;) Actually, I've heard (and 
> seen) there IS a liquid solution that will let you visibly see the dots on 
> mag tape.

There is. It generally goes under the name of 'Magnasee' and is a 
colloidal suspension of iron oxide in some suitable volatile liquid. I 
have no idea where you get it nowadays, though.


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