Views of Washington and Vicinity

Patent Office - South Model Hall

John F. Jarvis

View in Tropical Forest/ Darien Expedition

John Moran

Lester Wallack

Mathew B. Brady

John Moran

John Moran

Patent Office, Washington DC

Kilburn Brothers

U.S. Patent Office

Bell & Brother

Corridor in U.S. Patent-Office

Bell & Brother

Patent Office

John F. Jarvis

Patent Office

Patent Office

Bell & Brother

New Wing, Patent Office

B. W. Kilburn