Belopoeica
Hero of Alexandria
Hero of Alexandria. Greek and Roman Artillery: Technical Treatises. Marsden, Eric William, editor. Oxford: Clarendon Press, 1971
87 εἰς τὸν ἄξονα ἤτοι ἁπλᾶ ἤτοι καὶ διὰ πολυσπάστων τὰ ∠‚Ε‚Ϛ‚Ζ.|
Hero of Alexandria. Greek and Roman Artillery: Technical Treatises. Marsden, Eric William, editor. Oxford: Clarendon Press, 1971
87 εἰς τὸν ἄξονα ἤτοι ἁπλᾶ ἤτοι καὶ διὰ πολυσπάστων τὰ ∠‚Ε‚Ϛ‚Ζ.|