Lowell Observatory, Lowell Observatory Brochure, 1988 ca.
Brochure for a self-guided tour of Lowell Observatory from the late 1980s.
Lowell Observatory, Lowell Observatory Brochure, 1955 ca.
A Lowell Observatory brochure from the 1950s.
Lowell Observatory, Lowell Observatory Brochure, 1990 circa
A Lowell Observatory brochure from circa 1990.
Slipher, Vesto Melvin, Letter from V.M. Slipher to Albert Einstein, January 14, 1931, 1931-01-14
A letter from V.M. Slipher to Albert Einstein, inviting Einstein to visit Lowell Observatory and northern Arizona.
Tags: Albert Einstein
Einstein, Albert, Letter from Albert Einstein to V.M. Slipher, January 25, 1931, 1931-01-25
A letter from Albert Einstein to V.M. Slipher. Einstein expresses regrets that he cannot visit Lowell Observatory due to limits on his time and…
Einstein, Albert, Letter from Albert Einstein to Lowell Observatory, April 30, 1947, 1947-04-30
A letter from Albert Einstein to Lowell Observatory asking for support in educating the public about atomic energy and its implications.
Lowell Observatory, Identification, Optimization, and Protection of Optical Telescope Sites, Part 8, 1986-05-23
Audio recording of a conference on the Identification, Optimization, and Protection of Optical Telescope Sites, Flagstaff, AZ, May 22-23, 1986
Lowell Observatory, Identification, Optimization, and Protection of Optical Telescope Sites, Part 7, 1986-05-23
Lowell Observatory, Identification, Optimization, and Protection of Optical Telescope Sites, Part 6, 1986-05-23
Lowell Observatory, Identification, Optimization, and Protection of Optical Telescope Sites, Part 5, 1986-05-23
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