Results for "African Americans -- Washington (D.C.)"
Joseph Henry Constructs an Electric Motor
- Date: April-July 1831
The Smithsonian and the Civil War
- Date: April 12, 1861 Civil War, 1861-1865
William Alexander Henry Is Born to Joseph and Harriet Henry
- Date: October 1831
Smithsonian Budgets $1,000 for Meteorology Program
- Date: March 19, 1848
Joseph Henry Papers Project Begins
- Date: 1966
Joseph Henry Constructs Large Electromagnet for Yale College Professor Benjamin Silliman
- Date: January 15, 1831
Joseph Henry Appointed to Light-House Board
- Date: September 25, 1852
Spencer Baird Appointed Assistant Secretary of the Smithsonian
- Date: July 5, 1850
Statue of Joseph Henry Commissioned
- Date: June 1, 1880
Joseph Henry Begins His "Record of Experiments"
- Date: August 15, 1834
Joseph Henry Attends Albany Academy
- Date: 1819-1822
Smithsonian International Exchange Program Commences
- Date: July 21, 1851
