This machine came up in a general thread on zig-zag machines. It seems a significant and rare enough machine to have its own topic for future reference and easy googling I had made a video demonstrating the machine. I didn't know which exact model it was at the time:   Today I came across two more unrestored versions of these machine hiding under a shelf. One of them had a type tag, which is how I found out what model it is:     I also found a nice quality