Unknown TI logic series

William Donzelli wdonzelli at gmail.com
Sun Dec 19 13:24:52 CST 2010

> There *was* sort of a retread business going with some small vendors
> testing old tubes, repainting them (bases in the case of a glass
> tube; the whole thing in the case of a metal one). and a new logo
> attached.  You could pick them out by using a bit of lacquer thinner
> on the base of glass tubes--the paint would come right off.

Yes, they were called "crooks".


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