Typus arithmeticae. Book illustration from Library of Congress

The form of arithmetic, possibly muse of arithmetic, shown as woman standing between Boethius writing Arabic numerals and Pythagorus doing reckoning with counters.
Illus. in: Margarita philosophica / Gregor Reisch. [Friburgi : I. Schott, 1503]
Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress, 1987, p. 222.