Results for "Twitter"
Secretary Abbot with His Water Distiller
- Creator: Unknown
- Creator: Unknown
- SI History Chronology
Samuel Langley Appointed Acting Secretary
- Date: February 10, 1887
- SI History Bibliography
Theorists and Ingenious Mechanics: Joseph Henry Defines Science
- Date: 1973
- Creator: Molella, Arthur P
- Creator: Molella, Arthur P
- SI History Bibliography
The Papers of Joseph Henry: January 1850-December 1853, The Smithsonian Years
- Date: 1998
- Creator: Rothenberg, Marc 1949-
- Creator: Rothenberg, Marc 1949-
Samuel P. Langley
- Date: 1887
- Creator: Unknown
- Creator: Unknown
Spencer Fullerton Baird
- Date: c. 1850
- Creator: Unknown
- Creator: Unknown
Secretary Langley with Family and Friends
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott
- Creator: Unknown
- Creator: Unknown
Secretary Charles D. Walcott as a Young Man
- Date: c. 1870
- Creator: Unknown
- Creator: Unknown
Secretary Alexander Wetmore Greets Visitors
- Date: c. 1950
- Creator: Unknown
- Creator: Unknown
Charles D. Walcott at Grand Canyon
- Date: 1915
- Creator: Unknown
- Creator: Unknown
Spencer Fullerton Baird
- Date: c. 1880s
- Creator: Unknown
- Creator: Unknown
