Results for "Smithsonian Institution. Assistant Secretary for Research"
David Challinor at "Science at Smithsonian"
- Date: 1976
- Creator: Unknown
- Creator: Unknown
Exhibition Records, circa 1921-1922, 1947, 1956-1990 and undated
- Date: 1921 1921-1990 circa 1921-1922, 1947, 1956-1990 and undated
- Creator: National Museum of American History (U.S.) Department of the History of Science and Technology
Alfred Vail's Letter to Joseph Henry (July 17, 1846)
- Date: July 17, 1846
- Creator: Vail, Alfred,Joseph Henry Papers Project
- Creator: Vail, Alfred,Joseph Henry Papers Project
Letter from Samuel Morse to Alfred Vail, January 15, 1857
- Date: January 15, 1857 19th century
- Creator: Morse, Samuel Finley Breese 1791-1872
- Creator: Morse, Samuel Finley Breese 1791-1872
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
"Smithsonian" Balloon Ascends
- Date: May 1859
Joseph Henry's Letter to Alexander Dallas Bache (September 6, 1846)
- Date: 1846
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Depository Files, 1960-2008
- Date: 1960 1960-2008
- Creator: Joseph Henry Papers Project
Robert Ridgway's Drawing of a Robin
- Date: c. 1900
- Creator: Ridgway, Robert 1850-1929
- Creator: Ridgway, Robert 1850-1929
Robert Ridgway's Drawing of a Junco
- Date: c. 1900
- Creator: Ridgway, Robert 1850-1929
- Creator: Ridgway, Robert 1850-1929
Postcard of Sun Tower at Mt. Wilson
- Date: c. 1930s
- Creator: Unknown
- Creator: Unknown
Postcard of the Dome at the Mt. Wilson Observatory
- Date: 1938
- Creator: Curt Teich & Co
- Creator: Curt Teich & Co
