Aeolipile
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An aeolipile, aeolipyle, or eolipile, also known as a Hero's engine, is a simple, bladeless radial steam turbine which spins when the central water container is heated. Torque is produced by steam jet
A classroom model of an aeolipile
A modern replica of Hero's aeolipile.
A large reconstruction of Heron's aeolipile at Kotsanas Museum of Ancient Greek Technology in Athens, Greece.
Vitruvius
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Vitruvius was a Roman architect and engineer during the 1st century BC, known for his multi-volume work titled De architectura. As the only treatise on architecture to survive from antiquity, it has b
Aeolipile
…of Alexandria described the device in the 1st century CE, and many sources give him the credit for its invention. However, at least one source credits Vitruvius as the first to describe this appliance in his De architectura (c. 30–20 BCE). The aeolipile is considered to be the first recorded steam engine or…
Engraving by Jacopo Bernardi after Vincenzo Raggio, 1823 or 1847
Roman house plan after Vitruvius
"Vitruvian Man", illustration in the edition of De architectura by Vitruvius; illustrated edition by Cesare Cesariano (1521).
Vitruvian Man by Leonardo da Vinci, an illustration of the human body inscribed in the circle and the square derived from a passage about geometry and human proportions in Vitruvius' writings