Hero's Belopoeica (Treatise on Artillery Construction) (1918) - Page 15

Codex M, folio 47 verso. Measurements 10 : 19

Figure 5 (see Chapter 4, line 27).

English Translation (from Greek)		English Translation (from German)
Let the aforementioned bow be the one labeled ABΓΔ, having the curved ends AB and ΓΔ too powerful for a human hand to draw back. The bowstring is labeled AΔ. At the center of the bow’s curve, let a beam EZΗΘ be fixed as an integral part, having on its upper surface a dovetail-shaped groove original Greek: pelekinoeidē, labeled KΛ. To this, let a "male" component the sliding tongue of equal length be fitted,	5 10	Let the named bow be ABΓΔ, and its ends AB and ΓΔ, which are to be bent, so strong that they cannot be spanned by a human hand alone. The bowstring is AΔ. On the bow, at the center of the curve, a shaft EZΗΘ is attached, which has on the upper side a dovetail-shaped groove German: schwalbenschwanzförmige Nute, KΛ; fitting into this groove, an equally long dovetail-shaped tongue German: Feder should be made, which
page 76 from its upper surface...		from its upper surface...

The following are scholarly notes on variations between the original hand-copied manuscripts.
Line 3: "the" in manuscripts P and V; "the [ends] from" in manuscript M.
Line 5: "bowstring" Greek: toxitis in the Figure of M; "bowstring" Greek: toxotis in the Text of M; "bow-man" Greek: toxitēs in P and V.
Line 6: "the AΔ" in M; "the AB" in P and V.
Line 7: "line" Greek: grammē in M.
Line 11: "let it be" Greek: gegonetō is written as two words in M.