If you get around to clean and polish it up post a second picture of it :- ) It looks very nice with the minimal art deco decals and the chromed hand wheel. I've never seen those decals before, neither have I had the pulley type driven motor either. A superb find. Does it stitch?
The crinkle finish machine looks like it's in very good condition too. I made a mistake and polished a crickle finish with a white resin type car polish. It was hard to polish up from all the cracks, go for the clear version in stead, with out the gritty polishing ingredient. You might be all onto it, but I just felt I had to warn you with such a nice condition machine.
Best of luck Leon
:- )