Results for "History"
Instruments at Mt. St. Katherine, Egypt
- Date: 1933
- Creator: Unknown
- Creator: Unknown
W.B. Ellison and Frederick A. Greeley
- Date: 1920
- Creator: Unknown
- Creator: Unknown
Playing Golf at Mt. Montezuma, Chile
- Date: 1928
- Creator: Unknown
- Creator: Unknown
Freeman Family at Mt. Montezuma, Chile
- Date: 1927
- Creator: Unknown
- Creator: Unknown
Observatory at Mt. Montezuma, Chile
- Creator: Unknown
- Creator: Unknown
Mt. Brukkaros Observatory, Southwest Africa
- Date: c. 1927
- Creator: Unknown
- Creator: Unknown
Mt. St. Katherine, Egypt
- Date: 1933
- Creator: Unknown
- Creator: Unknown
Telescope at Mt. Wilson Observatory
- Date: c. 1931
- Creator: Unknown
- Creator: Unknown
Mt. Harquahala, Arizona
- Date: 1924
- Creator: Unknown
- Creator: Unknown
Tyrone Solar Station, Burro Mountain, NM
- Creator: Unknown
- Creator: Unknown
Abbot at Table Mountain, California
- Date: c 1925
- Creator: Unknown
- Creator: Unknown
Secretary Charles G. Abbot Playing Tennis
- Creator: Unknown
- Creator: Unknown
