Cheiroballistra

• The Cheiroballistra was a Roman Siege Machine that consisted of a Torsion Catapult that shot metal bolts.
• The name is from the Greek, ‘Cheiro’ (hand) and ‘Ballista’ (shooter). It was invented by Hero of Alexandria (c.10-70 CE).

Description

• The Cheiroballistra was probably towed on a cart by two mules.
• Every Centuria in the Roman Legion had one Cheiroballistra.
• There were a total of 55 in every Legion.
• Catapults were also carried on the decks of Galleys in the Roman Navy.

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