Ancient Greek text
71 Τῆς ἐν φιλοσοφίᾳ διατρβῆς τὸ μέγιστον καὶ ἀναγκαιότατον μέρος ὑπάρχει …
Greek and Roman Artillery: Technical Treatises, Clarendon, Oxford, 1971
Hero of Alexandria, Belopoeica, ed. E. W. Marsden. Text: The Greek Library, from the Perseus Digital Library and other open sources, CC BY-SA 4.0. Changes: apostrophes normalised and the text divided into reading sections by Interlinea.
Texts from The Greek Library and the Perseus Digital Library, under CC BY-SA 4.0 and CC BY 4.0. Divided into reading sections by Interlinea.