I have an NOS 1975 Eclipse slide mount rear rack. When I get around to taking some pictures I'll post it in the C&V For Sale Forum. It's like this one:
The Eclipse modular designed bags and racks were the slickest designs on the market in the mid 70's!
In 1976 I built the rear triangle on my touring frame to take the eclipse rear rack. Shortly after that we started rough-stuff riding off road with XC bikes and I never got back into touring.
I still have several Eclipse Bar Bags:
Also some sewup socks:
verktyg
Chas.