Ontheriver/Jeanann,
When I've been using the White Rotary treadle and then switch to another treadle, then the trouble starts. The White Rotary's hand wheel turns away from me and the needle threads differently. The Singer 201k & Pfaff 60 treadle aren't happy when I try to turn the hand wheel the wrong direction. I can almost hear them saying, that's not how it works.
Sharon in Texas