So, what was the verdict? Did you buy the machine?

I never went to look at it. I want one that's not electrified.

If its still in the treadle base, it would be super easy to convert back into a treadle. Just remove the motor and buy a belt, they cost 5-10$ on ebay. I had one that had the motor added, and just popped it off and bought a belt, works like a charm :)