Results for "Inventions"
Sec. Abbot and His Solar Powered Invention
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
News Broadcast of Secretary Abbot's Solar Invention
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Minutes of the Permanent Commission of the Navy, Meeting XXXV (May 28, 1863)
- Date: May 28, 1863
- Creator: Joseph Henry Papers Project
- Creator: Joseph Henry Papers Project
Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences
- Date: April 1878
Joseph Henry Appointed to Permanent Commission of the Navy
- Date: February 20, 1863 Civil War, 1861-1865
- Online Publications
Joseph Henry's Letter to Gustavus Vasa Fox (February 7, 1863)
- Date: February 7, 1863
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
SAO Equipment Outside Smithsonian Institution Building
- Date: 1931
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot with Solar Boiler
- Date: c. September 30, 1936
- Creator: Unknown
- Creator: Unknown
Steam Tricycle in Front of North Entrance to SIB
- Date: 1888
- Creator: Unknown
- Creator: Unknown
Charles G. Abbot's Solar Panels
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: c. September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
