Detail of Fig. 1, Class of 1860, Department of Chemistry, close up of the chemistry experiment showing touching up to highlight the glass equipment.

Undated, possibly ca. 1857

Salted paper print

14 x 17 in. (36 x 43 cm)

Art Properties, Avery Architectural & Fine Arts Library

Acquired by Frederick Chandler for the Chandler Chemical Museum Collection

Columbia University

https://clio.columbia.edu/catalog/14982980