An artist drawing a lute with the aid of a perspective apparatus, illustration from Durer's 'Four Books on Measurement', published in 1525
Duerer, Albrecht (1471-1528). Medium: woodcut. Date: 1525. German book title, 'Underweysung der Messung mit dem Zirckel und Richtscheyf'; Provenance: Private Collection. Photographic rights held by The Bridgeman Art Library.