Here is an interesting tale.

http://bus-plunge.blogspot.com/2008/09/stemco-mfg-company-st-charles-mo-td924.html

I was able to find a machine shop here in Springfield, MO (White's Machine Shop) which repaired the adapters.


Here is a link to some stuff about my brothers and I
http://bus-plunge.blogspot.com/search?q=hemmings