Mercury de luxe
 

What does a Mercury De Luxe Dial O Matic do? Zig Zag? Anyone using one and like it?

With a name like that it would appear likely, . It also sounds like a Japanese clone of something/ Pictures could help those of us who are unfamiliar.

Here's another thread about Mercury Deluxe. You might find what you are looking for there. https://www.quiltingboard.com/vintag...y-t199702.html