Browse Items (26 total)

Lowell, Percival, Mars Map, 1896-1897

Mars 1896-7 - low.jpg

Lowell, Percival, Mars Map, 1896-1897, 1896-1897

Percival Lowell's hand-drawn map of Mars, 1896-1897

Lowell, Percival, Mars Map, 1905

Mars 1905 - low.jpg

Lowell, Percival, Mars Map, 1905, 1905

Percival Lowell's hand-drawn map of Mars, 1905

Lowell, Percival, Drawing of Mars with canals, 1901

1901mars.jpg

Lowell, Percival, Drawing of Mars with canals, 1901, 1901

Percival Lowell's black and white drawing of Mars with canals

Lowell, Percival, Color drawing of Mars, 1905

colormars1905 - low.jpg

Lowell, Percival, Color drawing of Mars, 1905, 1905

Percival Lowell's color drawing of Mars, 1905

Slipher, Vesto Melvin, Letter from V.M. Slipher to Albert Einstein, January 14, 1931

Einstein.1.jpg

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.

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Einstein, Albert, Letter from Albert Einstein to V.M. Slipher, January 25, 1931

Einstein.2.jpg

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…

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Einstein, Albert, Letter from Albert Einstein to Lowell Observatory, April 30, 1947

Einstein.4.jpg

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.

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Lowell Observatory, Identification, Optimization, and Protection of Optical Telescope Sites, Part 1

Lowell Observatory, Identification, Optimization, and Protection of Optical Telescope Sites, Part 1, 1986-05-22

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 2

Lowell Observatory, Identification, Optimization, and Protection of Optical Telescope Sites, Part 2, 1986-05-22

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 3

Lowell Observatory, Identification, Optimization, and Protection of Optical Telescope Sites, Part 3, 1986-05-22

Audio recording of a conference on the Identification, Optimization, and Protection of Optical Telescope Sites, Flagstaff, AZ, May 22-23, 1986

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