Results for "Twitter"
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
Andrew F. Michaels' Retirement Ceremony
- Date: 1975
- Creator: Unknown
- Creator: Unknown
Retirement of James C. Bradley
- Date: 1972
- Creator: Unknown
- Creator: Unknown
Samuel P. Langley
- Date: 1901
- Creator: Unknown (D. G. Mc?)
- Creator: Unknown (D. G. Mc?)
Secretary Langley with Children
- Date: Unknown, c. 1900
- Creator: Unknown
- Creator: Unknown
Secretary Langley and His Brother
- Date: c. 1846
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott
- Date: 1912
- Creator: Scherer Studio, Washington, D.C
- Creator: Scherer Studio, Washington, D.C
Langley Flying Machine
- Date: 1903
- Creator: Unknown
- Creator: Unknown
Secretary Emeritus Ripley at AAM Presentation
- Date: 1985
- Creator: Benson, Steve
- Creator: Benson, Steve
Secretary Adams and Barry Goldwater
- Date: 1987
- Creator: Tinsley, Jeffrey Wayne 1947-2017
- Creator: Tinsley, Jeffrey Wayne 1947-2017
