Results for "Smithsonian Institution. Environmental Sciences Program"

1. 

   Lee De Forest (1873-1961)

2.  
3. 

   Powel Crosley, Jr. (1886-1961)

   • Date: 1946

4.  
5. 

   Clinton R. Hanna (d. 1985)

   • Date: 1947 10/30/1947
   • Creator: Westinghouse Electric Corporation

6.  
7. 

   Powel Crosley, Jr. (1886-1961)

   • Date: 1933

8.  
9. 

   Charles Franklin Kettering (1876-1958)

   • Date: 1936 November 25, 1936
   • Creator: Davis, Fremont 1915-1977

10.  
11. 

    Sanford Lockwood Cluett (1874-1968)

    • Creator: Bachrach Studio

12.  
13. 

    Henry's Early Research in Electromagnetism

    • Date: October 10, 1827

14.  
15. 

    Wilbur Wright

    • Creator: Unknown
    • Creator: Unknown

16.  
17. 

    Orville Wright

    • Creator: Unknown
    • Creator: Unknown

18.  
19. 

    Benjamin Franklin

    • Creator: Unknown
    • Creator: Unknown

20.  
21. 

    Joseph Henry Constructs an Electric Motor

    • Date: April-July 1831

22.  
23. 

    George Eastman

    • Date: 1890
    • Creator: Nadar, Paul 1856-1939
    • Creator: Nadar, Paul 1856-1939

24.  

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