5:04

Experimental Form: Drawing Machines

5:01

Home-made Harmonograph

19:05

김정기 Kim Jung gi Drawing show in 포항

2:05

Die Kriegerin

4:49

Lissajous pendulum graphing swing

5:46

harmonograph

8:23

A Mid Century Modern Harmonograph

2:37

A table that paints - Ingenious 4 Pendulum Harmonograph