
Albumen photograph of San Francisco's City College and its Chemical and Metallurgical Laboratory, taken circa 1866 by Nathan Klain. The photograph depicts a fence in the foreground and a trolley beside the building. The verso shows a green 3-cent George Washington revenue stamp issued between 1862 and 1871. The photograph is mounted on heavy card stock and measures 7-3/8" x 4-7/8".