>From: ibbetson <[log in to unmask]>
>It's been used for drawing background patterns on currency notes. The
>device may have been known to Newton, but not by that name or for this
>The name "harmonograph" may be Anthony Ashton's name (and possibly
>copyright) for his version of the device.
I found a nice bit of the history of this machine this morning:
"The harmongraph was pioneered by the French physicist, Jules Antoine
Lissajous in 1857."