“The Rainbow for their Guide”: Mary Gartside’s New Theory of Colours (1808)

Earthen Messages: Nikola Tesla in his Laboratory (ca. 1899)

Cycling Art, Energy, and Locomotion (1889)

James Sowerby’s British Mineralogy (1802–17)

Arthur Wesley Dow’s Floating World: Composition (1905 edition)

William James on the Stream of Consciousness (1890)

Hieroglyphics of a Rope-Dancer: The Book of Fate (1822)

Reciting Pictures: Buddhist Texts for the Illiterate

Gustave Zander and the 19th-Century Gym

Snowball Fights in Art (1400–1946)

Odd Showers (1870)

Joseph Perry’s Medical Illustrations of Miscarriage (1834)

Imaging Inscape: The Human Soul (1913)

Theresa Babb’s Photographs of Friendship (ca. 1898)

Aspirated Aspirations: Alfred Leach’s The Letter H (1880)

“When London is in Ruins”: Gustave Doré’s The New Zealander (1872)

Lithographs from M. E. Descourtilz’s Atlas des Champignons (1827)

The Ascent of Mont-Blanc (ca. 1855)

Adolf Schmidt’s Atlas der Diatomaceenkunde (1890)

700 Years of Dante’s Divine Comedy in Art

Figure/Ground: Alphonse Allais’ April Fools Album (1897)

A Treatise on Artificial Limbs (1899)

Festooned: Martin Gerlach’s Decorative Groupings (1897)

Astronomia Playing Cards (1829)