Results for "Washington (D.C.)"
Samuel P. Langley
- Creator: Unknown
- Creator: Unknown
Spencer Fullerton Baird
- Date: c. 1860s
- Creator: Unknown
- Creator: Unknown
Joseph Henry
- Date: c. 1820s
- Creator: Unknown
- Creator: Unknown
Secretary Alexander Wetmore
- Date: 1929
- Creator: Bachrach, Louis Fabian
- Creator: Bachrach, Louis Fabian
Secretary Charles Greeley Abbot
- Date: 1890s
- Creator: Unknown
- Creator: Unknown
Secretary Adams and his Wife
- Date: 1994
- Creator: Tinsley, Jeffrey Wayne 1947-2017
- Creator: Tinsley, Jeffrey Wayne 1947-2017
Langley Aerodrome in Flight
- Date: 1903
- Creator: Unknown
- Creator: Unknown
Ninth Secretary, Robert McCormick Adams
- Creator: Hofmeister, Richard K
- Creator: Hofmeister, Richard K
Spencer Fullerton Baird
- Date: 1887
- Creator: Unknown
- Creator: Unknown
Secretary Samuel P. Langley
- Date: c. 1895
- Creator: Unknown
- Creator: Unknown
Joseph Henry, First Secretary of the Smithsonian
- Date: April 1873
- Creator: Smillie, T. W (Thomas William) 1843-1917
- Creator: Smillie, T. W (Thomas William) 1843-1917
Langley Aerodrome No. 5
- Date: May 6, 1896
- Creator: Bell, Alexander Graham 1847-1922
- Creator: Bell, Alexander Graham 1847-1922
