Title: [Frustules of Diatoms]
Object type: Micrograph
Date: ca. 1870
Artist: Attributed to Julius Wiesner 
Artist bio: Austrian, 1838–1916
Artist nationality: Austrian
Artist role: Artist
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
Department: Photographs
Repository: Metropolitan Museum of Art, New York, NY
Tags: term: Science