Hey Ed,
Are you thinking of something like this?
http://billwebber.galootcentral.com/smoke.JPG
This was made 30 - 40 years ago. They were called variously smoke
grinders, BS machines, or do nothings. Perhaps round tuits as you suggest.
As for what will I use my ellipsograph on, I'll likely use it as a
coffee table decoration. I think drawing an ellipse with a couple nails
and a piece of string is much easier than setting up the fancy machine.
Bill W.
Nottingham, PA
Woodworkers visit me at http://billwebber.galootcentral.com/
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