Wow, I don't feel so bad. I only have 3 treadles, most Singers. My Great Grandma's 1919 model 99 that my Mom learned to sew on, a 1940 model 66, a White Rotary from about 1915 currently being used as a table in the entryway. Plus 3 old electric portable, a late 20s Singer, a Hotpoint about 1920 and a New Home about the same age. Haven't learned not to suddenly reverse :D