Originally Posted by
purplefiend
The machine doesn't care what sort of treadle irons/pitman is powering it as long as it works! I have an 1895 treadle set up and it fits all of Singer treadle heads. I also have a set of Elgin irons that I've got a top from a early 1900s Singer coffin top. The picture you see here shows the Singer 66-1 head in the same cabinet as the one in the webshots pic.
http://home-and-garden.webshots.com/...45965719cnSsAp
Thanks for that info, Sharon. I was wondering if they are all truly interchangeable...I have a 15 in a straight leg treadle that I want to put my 1909 66-1 in, and I thought it would fit fine, but wasn't sure. So, I won't have to find another cabinet and irons to use it. That's great news.