Ebay GT-40 in the Netherlands

Jim Stephens jws at jwsss.com
Fri Apr 10 03:59:53 CDT 2015

On 4/10/2015 1:43 AM, Jim Stephens wrote:
> To Al:  There was also a system like this at USL, which I wish had 
> been conveyed to you.  I suspect it was not.  There was a new in the 
> box replacement CRT because someone had had the system halt and burned 
> the phosphor.  You had to watch the system and never let the dot 
> stop.  If it stopped at a spot on the phosphor in the on position, 
> you'd etch the phosphor.
> Ours (USL) never ran anything but Lander, so until someone with a 
> project came along, we were saving the tube.  The burn didn't affect 
> lander much at all.

I read the link  in the auction, which is Eric Smith's page on the 
GT-40.  It is where I got the information that Al K was involved, etc., 
so will post it to save some time, as the Ebay listing will vanish 
someday, and the link to the GT-40 with it

Eric Smiths excellent page:



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