Found it..... and for the record, in case someone else wants to find info on the
#1:

https://mwtca.org/the-gristmill-
archive/real3d-flipbooks/issue-113-december-2003/

Pages 11-15 have info on the #1 different beds... which is the defining part, if
you have a plane without the blade.

Frank Filippone
BMWRed735i@G...