Pollen Up Close (1837)

Illustrations of various strains of pollen in extreme magnification, as featured in Ueber den Pollen (1837), a book by St. Petersburg based German pharmacist and ch…more

Illustrations of Snowflakes (1863)

The illustrative plates from Snowflakes: a Chapter from the Book of Nature (1863), a collection of poems, extracts, anecdotes and reflections on the theme of snow a…more

B. W. Betts’ Geometrical Psychology

Diagrams 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 det…more

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