Analog computer output plots

This plot shows the trajectories of bouncing balls of equal size but with different internal friction and elasticity. The plot was prepared in 1981 by one of our students as a part of a physics laboratory assignment. A very cheap, home-made analog computer was used [1]
bounce plot
The next plot is an example of a less elementary application [2]:
compos plot

References

[1] E.H. Dooijes: Eenvoudige zelf te bouwen analoge computer als hulpmiddel bij het onderwijs. Nederlands Tijdschrift voor Natuurkunde 39 (1073) p 283⇗
[2] McKay and Fisher: Analogue computing at ultra-high speed. Chapman & Hall, London 1962

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