Medieval & Renaissance Manuscripts

La pratica de mesurar le terre
Italy, Venice, second half of the 16th century
MS B.15 fol. 3v

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Diagram showing juncture of two straight lines (AB and BC). Second diagram of two lines (AG and GH) joining at an angle, inscribed ANG(OL)O PLANO DE LINEE RETTE.
At bottom, three diagrams demonstrating junction of straight and curved lines, and of two curved lines, two inscribed ANG(OL)O PLANO DE UNA LINE RETTA ET UNA CURUA and the other, ANG(OL)O PLANO DE DUE LINEE CURUE.