Results for "Physics"
Samuel P. Langley
- Creator: Unknown
- Creator: Unknown
Spencer Fullerton Baird
- Date: 1887
- Creator: Unknown
- Creator: Unknown
Secretary Samuel P. Langley
- Date: c. 1895
- Creator: Unknown
- Creator: Unknown
- Web Page
Alexander Wetmore Sits in a Canoe
- Date: 1947
- Creator: Unknown
- Creator: Unknown
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
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
Ninth Secretary, Robert McCormick Adams
- Creator: Hofmeister, Richard K
- Creator: Hofmeister, Richard K
