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Carlo Urbino
active 16th century
"Dell'occhio et della forza degli angoli. Angulo Primo, cap. I."
Codex Huygens, fol. 93
ca. 1560–1570
Pen and brown ink, black chalk, inscribed with stylus and compass on laid paper.
7 3/16 x 5 1/4 inches (186 x 133 mm)
Purchased in 1938
2006.14:93