Results for "Smithsonian Institution Building. (Washington, D.C.)"
Mount Montezuma, Chile, Site of the Best Solar Observing Station
- Date: 1920 Between 1920 and 1934
Stripping Overburden at Fossil Horse Quarry Near Hagerman, Idaho
- Date: 1931
- Creator: Boss, Norman H
Solar Cooker at Mt. Wilson, California, Cooks Food by Sun Heat
- Date: 1920 Between 1920 and 1934
Writing in the Cherokee Alphabet of Sequoia as the Ethnologist Records the Cherokee Language
- Date: 1890 Between 1890 and 1934
Shipping American Scientific Publications Abroad: The Exchange Service
- Date: 1900 Between 1900 and 1934
Acoma, N.M., the only American Town Continuously Occupied since before Columbus
- Date: 1899
- Creator: Vroman, A. C (Adam Clark) 1856-1916
One of the Instruments Used to Determine Sunlight Intensity and Sky Brightness
- Date: 1930 Between 1930 and 1934
Double Quartz Monochromator for Obtaining Absolute Intensity Measurements in Spectra
- Date: 1929 Between 1929 and 1934
Winter Count on Buffalo Robe - Lacking True Writing, Some Tribes Kept Pictographic Records
- Date: 1880 Between 1880 and 1934
California Condor, Largest North American Bird. Only Trio in Captivity
- Date: 1902 Between 1902 and 1934
left to right: George Roemmert (1892-1952) and Bertha Benaburger Roemmert
- Date: 1934
left to right: George Roemmert (1892-1952) and Bertha Benaburger Roemmert
- Date: 1934
