History Memes

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submitted 3 weeks ago by raman_klogius@ani.social to c/historymemes@piefed.social

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[–] echodot@feddit.uk 1 point 3 weeks ago (1 child)

It's used to calculate firing solutions for ancient Roman cannons. The different sizes equate to the different round types.

[–] crapwittyname@feddit.uk 4 points 3 weeks ago

Nah, it's a power adapter. Mostly used for ancient Roman defensive tripwires. The larger sizes were used when more current was needed.

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