Box 33

This series contains records originally labeled, "Climax." The Climax Observatory was located at Climax, Colorado, and was founded in 1940 by Walter Orr Roberts and Donald Menzel. Records in this series are primarily observational data, both as photographs and handwritten records.

This series contains records originally labeled, "Climax." The Climax Observatory was located at Climax, Colorado, and was founded in 1940 by Walter Orr Roberts and Donald Menzel. Records in this series are primarily observational data, both as photographs and handwritten records.

This series contains records originally labeled, "Climax." The Climax Observatory was located at Climax, Colorado, and was founded in 1940 by Walter Orr Roberts and Donald Menzel. Records in this series are primarily observational data, both as photographs and handwritten records.