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SIPublic domain
New Wing, Patent Office, Washington, D.C.
Kilburn Brothers, active 1865 - 1909
- Date
- c. 1890
- Type
- Photograph
- Medium
- Stereoscopic albumen silver print
- Department
- NPG
- Institution
- National Portrait Gallery
- Object number
- npg_NPG.POB97
- Credit
- National Portrait Gallery, Smithsonian Institution
Patent Office
SI
Bell & Brother, active 1865 - 1875 · c. 1870