Results for "Science -- History"
Secretary Samuel P. Langley
- Date: c. 1895
- Creator: Unknown
- Creator: Unknown
Andrew F. Michaels' Retirement Ceremony
- Date: 1975
- Creator: Unknown
- Creator: Unknown
Secretary Langley with Children
- Date: Unknown, c. 1900
- Creator: Unknown
- Creator: Unknown
Secretary Langley and His Brother
- Date: c. 1846
- Creator: Unknown
- Creator: Unknown
Langley Flying Machine
- Date: 1903
- Creator: Unknown
- Creator: Unknown
Samuel P. Langley
- Creator: Unknown
- Creator: Unknown
- Web Page
Charles D. Walcott in Field with Horses
- Date: c. 1920
- Creator: Unknown
- Creator: Unknown
Retirement of James C. Bradley
- Date: 1972
- Creator: Unknown
- Creator: Unknown
Isabel Franco and Alexander Wetmore in Rio Mensabé
- Date: March 26, 1948
- Creator: Unknown
- Creator: Unknown
Agnes Chase and Secretary Leonard Carmichael
- Date: October 2, 1958
- Creator: Unknown
- Creator: Unknown
Mr. and Mrs. Fénykövi and Dr. Carmichael at Unveiling of the Fénykövi Elephant
- Date: March 6, 1959
- Creator: Unknown
- Creator: Unknown
Charles Greeley Abbot at Age Eleven
- Date: 1883
- Creator: Unknown
- Creator: Unknown
