Results for "Twitter"
Joseph Henry
- Date: c. 1865
- Creator: Brady, Mathew B. 1823 (ca.)-1896,Joseph Henry Papers Project
- Creator: Brady, Mathew B. 1823 (ca.)-1896,Joseph Henry Papers Project
Tyndall Gift to U.S. to Promote Physics
- Date: February 7, 1873
Joseph Henry
- Date: 1860
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott
- Date: 1918
- Creator: Unknown
- Creator: Unknown
Portrait of Samuel P. Langley
- Date: c. 1900
- Creator: Unknown
- Creator: Unknown
Samuel P. Langley
- Date: c. 1855
- Creator: Unknown
- Creator: Unknown
Portrait of Joseph Henry
- Date: 1874
- Creator: Smillie, T. W (Thomas William) 1843-1917
- Creator: Smillie, T. W (Thomas William) 1843-1917
Secretary Charles D. Walcott
- Date: c. 1900
- Creator: Edmonston
- Creator: Edmonston
Secretary Charles G. Abbot
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Secretary Leonard Carmichael
- Date: 1961
- Creator: Unknown
- Creator: Unknown
Joseph Henry Portrait
- Date: c. 1840s
- Creator: Unknown
- Creator: Unknown
Secretary Samuel P. Langley
- Date: c. 1905
- Creator: Dinst, Chine
- Creator: Dinst, Chine
