Experiments-in-facial-expressions-by-Guillaume-Benjamin-Amand-Duchenne-de-Boulogne-10 - from our story 'Illustrations from the Mechanism of Human Physiognomy by Guillaume-Benjamin-Amand Duchenne de Boulogne'

"Guillaume-Benjamin-Amant Duchenne (de Boulogne), A relaxed face (left); False joy or laughter (right), 1854-1856, albumen print, printed 1862, image: 22.7 × 16.8 cm (8 15/16 × 6 5/8 in.) mount: 42 × 27.4 cm (16 9/16 × 10 13/16 in.), Eugene L. and Marie-Louise Garbáty Fund, 2015.52.22"

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