Patent Office, Washington DC
Patent Office, Washington DC
(Reverse Side)

Patent Office, Washington DC

When taken: 1860s

Description:

'Patent Office, Washington DC' is a stereoscopic albumen silver print created by Kilburn Brothers, active 1865 - 1909 around c. 1870. It is currently part of the National Portrait Gallery collection.

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Posted at: 3/6/2026

Owner: Smithsonian Institution

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