Bibliotheca Polyglotta

Euclid: Elementa

Ἐὰν δύο κύκλοι ἐφάπτωνται ἀλλήλων ἐντός, καὶ ληφθῇ αὐτῶν τὰ κέντρα, ἡ ἐπὶ τὰ κέντρα αὐτῶν ἐπιζευγνυμένη εὐθεῖα καὶ ἐκβαλλομένη ἐπὶ τὴν συναφὴν πεσεῖται τῶν κύκλων.

eng

If two circles touch one another internally, and their centres be taken, the straight line joining their centres, if it be also produced, will fall on the point of contact of the circles.

lat Sic

Si circuli se invicem contingant interius, in centra ipsorum copulata recta et emissa in contactum cadet circulorum.

lat Gerard

Omnium duorum circulorum sese tangentium si linea per centra eorum transeat, ad locum contactus perveniet sive contingant se interius sive exterius.

lat Adelard 49r

Si circulus circulum contigat lineaque per centra eorum transierit, ad punctum eorum coniunctivum pervenire necesse est.

lat Hermann 20v

Si linea per centra circulorum sese contingentium transeat, ad punctum contactus applicari necesse est.

No Arabic

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san

No Sanskrit

lat Clavius p. 232

SI duo circuli sese intus contingant, atque accepta fuerint eorum centra; ad eorum centra adiuncta recta linea, & producta, in contactum circulorum cadet.

kin 幾何原本 p. 133

兩圜內相切。作直線聯兩心。引出之。必至切界。

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