[Frustules of Diatoms]
Object type: Micrograph
Department: Photographs
Artist: Julius Wiesner
Artist bio: Austrian, 1838–1916
Artist role: Artist
Artist nationality: Austrian
Date: ca. 1870
Medium: Cyanotype
Dimensions: 9.8 x 7.9 cm (3 7/8 x 3 1/8 in.)
Classification: Photographs
Credit line: Purchase, Steven Ames Gift, 2012
Accession year: 2012
Tags: Science