Pinterest • The world’s catalog of images

http://www.hsl.virginia.edu/historical/rare_books/herbalism/vienna.cfm http://dioscorides.eusal.es/index.php http://www.thedigitalwalters.org/Data/WaltersManuscripts/html/W750/description.html http://www.metmuseum.org/collections/search-the-collections/140008644 http://lorenzodottisketcher.blogspot.com.es/2012/04/cronologia-dellillustrazione-botanica_10.html

Diagram from Geometrical psychology, or, The science of representation: an abstract of the theories and diagrams of B. W. Betts (1887) by Louisa S. Cook, which details New Zealander Benjamin Bett’s remarkable attempts to mathematically model the evolution of human consciousness through geometric forms.