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Euclid Elements of Geometry Printed by Erhard Ratdolt Venice:1482 Sp Coll BD9-c.5 The oldest textbook on geometry still in use today, the Greek mathematician Euclid compiled this work in c.300 BC. Its success can be attributed to its simple structure where each theorem follows logically from its predecessor. This first edition of 1482 is the first printed book to contain geometrical figures.

Personification of Geometry - 14th century education in spatial thinking. Illuminated manuscript; detail of initial letter P.

Anatomical painting probably used for teaching purposes (Iran, second half of the 19th century).

This model of the eye dates from the late eighteenth century and was used in the Department of Natural Philosophy at the University of Aberdeen for teaching optics. The lens at the front and a screen at the rear display the upside-down image as it appears on the retina of a real eye.

## A woman teaching geometry, from a 14th century illustration attributed to Abelard of Bath. From Euclid’s Elements.