After following Bonnie's links, I took a few more pics. That manual is similar but must be from later..? or earlier..? I took a better pic of the bottom of machine, is this the treadle part that wasn't clear earlier, or am I totally off on what ya was talking about? LoL, being new to this whole treadle thing is really showing right now, eh?
The Instruction Book it came with
[ATTACH=CONFIG]194038[/ATTACH]
inside cover page
[ATTACH=CONFIG]194039[/ATTACH]
better pic of treadle(?) part
[ATTACH=CONFIG]194040[/ATTACH]