/
This library is built in the open.
If you spot an error, have a suggestion, or just want to say hello — we’d love to hear from you.

Heron of Alexandria
Internet Archive: A non-profit digital library offering free universal access to books, movies, and music.
Digitization: The process of converting physical text or images into a digital format for preservation and online access.
Heron of Alexandria: An inventor and mathematician from the 1st century AD, often called the "greatest experimenter of antiquity." He designed steam-powered devices and automated machines.
Artillery Construction: (Belopoiika) A technical manual detailing the mathematics and mechanics of "torsion" engines—catapults and bolt-throwers that used twisted fibers for power.