Pulled my old 1978 Trex TX500 frameset out of the barn that I built up l-o-n-g ago. It cleaned up really nicely. Photos at ...
http://homepage.mac.com/clintbradford/PhotoAlbum9.html
And I found Gary Fisher's 1978 Bicycling Magazine article, describing his tour of the then-new Trek frame plant. Is is on the "Documents" page of the same site.
Clint Bradford, K6LCS
909-241-7666