Results for "Field notes"

1. 

   Smithsonian Astrophysical Observatory, Table Mountain, CA

   • Creator: Unknown
   • Creator: Unknown

2.  
3. 

   Secretary Charles G. Abbot's Solar Cooker at Mt. Wilson, CA

   • Date: c. 1920s?
   • Creator: Unknown
   • Creator: Unknown

4.  
5. 

   Observatory at Mt. Montezuma, Chile

   • Date: c. 1920
   • Creator: Unknown
   • Creator: Unknown

6.  

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