Results for "Smithsonian Institution. International and Environmental Programs"

1. 

   Expert Mechanician Making Delicate Instruments for Solar Observations

   • Date: 1930 Between 1930 and 1934

2.  
3. 

   One of the Instruments Used to Determine Sunlight Intensity and Sky Brightness

   • Date: 1930 Between 1930 and 1934

4.  
5. 

   The Periodometer, a New Instrument for Analysing Solar Records

   • Date: 1930 Between 1930 and 1934

6.  
7. 

   Exhibits in the Arts and Industries Building

   • Date: 1890 Between 1890 and 1930

8.  
9. 

   Dressing the "Fire Boss" for a Full-Size Coal Mine Model

   • Date: 1910 Between 1910 and 1934

10.  
11. 

    Joseph Henry Statue

    • Date: 1883 Between 1883 and 1930

12.  
13. 

    Exterior View of National Museum of Natural History

    • Date: 1910 Between 1910 and 1934

14.  
15. 

    Exterior View of National Museum of Natural History

    • Date: 1910 Between 1910 and 1934

16.  
17. 

    Exterior View of National Museum of Natural History

    • Date: 1910 Between 1910 and 1934

18.  
19. 

    Canadian Geese on the Waterfowl Lake

    • Date: 1890 Between 1890 and 1934

20.  
21. 

    The Interior of the Zoo Shop

    • Date: 1931 Between 1931 and 1934

22.  
23. 

    Identifying Wood with the Aid of the Microscope

    • Date: 1910 Between 1910 and 1934

24.  

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