Lissajous figures, and other harmonic curves, straddle the line between physics and art. The sight of a harmonograph tracing out its curves in the Amherst College physics library in 1957 was certainly one of the things that drew young Tom Greenslade into physics and inspired a career-long appreciation of them.

1.
Robert H.
Romer
, “
A double pendulum ‘art machine,’
Am. J. Phys.
38
,
1116
(
Sept.
1970
).
2.
Readers can download an online appendix
at TPT Online, https://doi.org/10.1119/1.5055320 , under the Supplemental tab.

Supplementary Material

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