Proportional drawings of heads in profile. Facial Angles refers to the content of two lectures by Petrus Camper on August 1st and 8th in 1770 to the Amsterdam Drawing Academy. Camper's main points in his first lecture were that classical drawing lessons from the time of Vitruvius, including the teachings of Dürer and Perreault, were based on an incorrect assumption that the human head was oval at all ages, and he proceeded to prove this with his dimensions of the skulls.

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Petrus Camper, Theory of Facial Angle, 1770

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Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

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