Results for "History"
Science Display
- Date: c. 1930
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Certificate Given to Helena Weiss by Secretary S. Dillon Ripley
- Date: October 11, 1965
- Creator: Smithsonian Institution
- Creator: Smithsonian Institution
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: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Preparations for Solar Broadcast
- Date: September 30, 1936
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
- Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
Letter from William deC. Ravenel to Franklin D. Roosevelt, July 27, 1920
- Date: July 27, 1920 20th century
- Creator: Ravenel, William deC
- Creator: Ravenel, William deC
George P. Merrill Looking at Physical and Chemical Geology Exhibit
- Date: February 11, 1927 1927
- Creator: Unknown
- Creator: Unknown
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
Letter from Herbert G. Deignan to Alexander Wetmore, December 7,1944
- Date: December 7, 1944
- Creator: Deignan, H. G (Herbert Girton) 1906-
- Creator: Deignan, H. G (Herbert Girton) 1906-
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
Alexander Agassiz
- Date: c. 1900
- Creator: Notman Photographic Co. (Boston)
- Creator: Notman Photographic Co. (Boston)
- Smithsonian Legal Document
An Act To establish an independent personnel system for employees of the General Accounting Office
- Date: 1981 02/15/1980
- Creator: 96th Congress, Sess. 2, 1980
- Creator: 96th Congress, Sess. 2, 1980
