Results for "Electric machinery"
- SI History Bibliography
The electric motor, the telegraph, and Joseph Henry's theory of technological progress
- Date: 1976
- Creator: Molella, Arthur P
- Creator: Molella, Arthur P
Joseph Henry Constructs an Electric Motor
- Date: April-July 1831
Guglielmo Camilli (b. 1898)
- Date: 1954
- Smithsonian Legal Document
An Act Making appropriations to supply deficiencies in certain appropriations for the fiscal year ending June 30, 1939, and for prior fiscal years, to provide supplemental appropriations for the fiscal years ending June 30, 1939, and June 30, 1940, and for other purposes
- Date: 1939 08/09/1939
- Creator: 76th Congress, Sess. 1, 1939
- Creator: 76th Congress, Sess. 1, 1939
- SI History Bibliography
A New Understanding of the First Electromagnetic Machine: Joseph Henry's Vibrating Motor
- Date: 2011
- Creator: Littman, Michael G,Stern, Lucas E
- Creator: Littman, Michael G,Stern, Lucas E
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
- Authority Record/EAC
Agency history, 2002-
- Date: 2002
- Creator: Smithsonian Facilities Office of Facilities Management and Reliability
- Finding Aid
SIA Acc. 18-094, Science Service, Records, circa 1920s-1970s
- Date: 1920 1920-1970 circa 1920s-1970s
- Creator: Science Service
- Creator: Smithsonian Institution Archives
Trans-Mississippi and International Exposition, Omaha, Nebraska, 1898
- Date: 1898
- Creator: United States National Museum Photographic Laboratory
Trans-Mississippi and International Exposition, Omaha, Nebraska, 1898
- Date: 1898
- Creator: United States National Museum Photographic Laboratory
World's Columbian Exposition (Chicago World's Fair), 1893
- Date: 1893
- Creator: United States National Museum Photographic Laboratory
World's Columbian Exposition (Chicago World's Fair), 1893
- Date: 1893
- Creator: United States National Museum Photographic Laboratory
