Robert waring darwin (8 Ergebnisse)

Zustand: New. In.

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Taschenbuch. Zustand: Neu. Neuware.

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Read at the ROYAL SOCIETY, March 23, 1786. Pamphlet, 4to, approximately 290 x 200 mm, 11½ x 8½ inches, pages: 2 title pages, (title page duplicated) 1-36, padded out with blank pages at rear, lacking original blue wrappers, rebound in modern half morocco over marbled boards, gilt lettered green label, gilt rules, gilt date to foot of spine, blind decoration to spine, marbled endpapers. Pale age-browning to first title page, otherwise a very good clean copy. Reprinted later in Zoonomia with plates. Robert Waring Darwin FRS was an English medical doctor who today is best known as the father of the naturalist Charles Darwin. He was a member of the influential DarwinWedgwood family. Robert Darwin provided the first empirical evidence that small eye movements are made even when people attempt to keep them fixed. This he found during his studies of the after images of colored stimuli in which he noticed that while a person tried to fixate a colored circle, a lucid edge appeared on the adjacent white-paper background. He concluded "as by the unsteadiness of the eye a part of the fatigued retina falls on the white paper". Wikipedia. See: Library Hub Discover, only one copy listed in the University of Cambridge Libraries. MORE IMAGES ATTACHED TO THIS LISTING, ALL ZOOMABLE, FURTHER IMAGES ON REQUEST. POSTAGE AT COST AND ALL PARCELS SENT FULLY TRACKED AND FULLY INSURED.…