Fred:
I have one of the old Westinghouses, and posted it as an early entry in the color tv thread. This set is complete including the back. Here is the link to my website featuring it. I would be willing to do a surviving H840CK15 site and list. Afterall with so few (8 is what I have heard also) how hard can it be?
http://home.earthlink.net/~marlinmackley/west15.htm