Who makes these terminals?

[Dave Decot]

> I need to know the manufacturers of some terminals for copyright-type
> reasons.  What I have is a list of terminal names or "nicknames":

>         Concept-100 
				    ADDS (Advanced Digital Data Systems)
>         Hazeltine (terminal) 
						   Hazeltine
>         Heathkit h19
						   Zenith
>         Lear-Siegler (LSI?) ADM-3a 
						Lear-Siegler Incorporated
>         NCR 7900 
						    NCR
>         Perkin Elmer Owl 
						Perkin Elmer
>         Tektronix 4010 and 4025 
						   Tektronix

Please post your final results to the net, if you would be so kind.

Dave