Original drawing from analog/mechanical drawing machine made by James Gandy. Paper size is 14 x 17.
[http://www.jamesnolangandy.com/drawings-for-sale/drawing-from-drawing-machine-597]
Mechanical drawing machines produce visual representations of harmony. Complex geometric drawings are made through the use of pulleys, gears and epicyclic motion. These instruments demonstrate the harmonious union of engineering, physics, music and art.
[http://www.jamesnolangandy.com/]