Comment by JKCalhoun

"The Boy Mechanic" had an article [1] on building a "Wondergraph".

Googling the term will pull up a lot of examples [2] of this turn-of-the-19th-Century device.

[1] https://archive.org/details/theboymechanicvo12655gut/page/n5...

[2] https://www.aesculier.fr/fichiersMaple/wondergraph/wondergra...