Browse Items (41 total)
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Edward Fath (Goodsell Observatory), February 12, 1929
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Edward Fath (Goodsell Observatory), February 12, 1929, 1929-02-12
New pieces of equipment at Lowell Observatory: Photographic objective (Cooke Astro type of lens) and the Blink Comparator
Tags: Pluto
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Phillip Fox (Adler Planetarium), December 4, 1929
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Phillip Fox (Adler Planetarium), December 4, 1929, 1929-12-04
The large Zeiss comparator being kept busy all the time on the examination of star fields taken with the new 13-inch photographic telescope
Tags: Pluto
Lampland, Carl, Blink Comparator Letter from Carl Lampland to Carl Zeiss , April 4, 1932
Lampland, Carl, Blink Comparator Letter from Carl Lampland to Carl Zeiss , April 4, 1932, 1932-04-04
Zeiss Blink Comparator used at Lowell in the discovery of Pluto in 1930; Request for complete descriptive literature of the instrument in its present…
Tags: Pluto
Lowell, Constance S., Discovery of Pluto Lowell Prize at the Normal School (Northern Arizona University) Letter from Constance Lowell (Mrs. Percival) to Carl Lampland, March 9, 1930
Lowell, Constance S., Discovery of Pluto Lowell Prize at the Normal School (Northern Arizona University) Letter from Constance Lowell (Mrs. Percival) to Carl Lampland, March 9, 1930, 1930-03-09
Roger Putnam has written Mrs. Lowell about the observation of what may be Planet X and if she has any thoughts about the naming thereof.
Plans for…
Lampland, Carl O., Blink Comparator Lowell Observatory Library Letter from Carl Lampland to Clyde Tombaugh, August 23, 1932
Lampland, Carl O., Blink Comparator Lowell Observatory Library Letter from Carl Lampland to Clyde Tombaugh, August 23, 1932, 1932-08-23
Visit by the Royal Astronomical Society group to Lowell. Group was very disappointed in not meeting Clyde Tombaugh but did see the pair of discovery…
Tombaugh, Clyde W., Credit for the discovery of Pluto The Martian Polar Cap "Carbonic Acid" hypothesis Letter from Clyde Tombaugh to Carl Lampland, November 1, 1932
Tombaugh, Clyde W., Credit for the discovery of Pluto The Martian Polar Cap "Carbonic Acid" hypothesis Letter from Clyde Tombaugh to Carl Lampland, November 1, 1932, 1932-11-01
Professor Baker's book and credit for the discovery of Pluto. Rock salt crystals for prism purposes. Dry ice, Martian polar caps, carbon dioxide…
Flammarion, Gabrielle Camille, Discovery of Pluto Telegram from Gabrielle Camille Flammarion (Directrice Observatoire de Juvisy) to Carl Lampland, March 24, 1930
Flammarion, Gabrielle Camille, Discovery of Pluto Telegram from Gabrielle Camille Flammarion (Directrice Observatoire de Juvisy) to Carl Lampland, March 24, 1930, 1930-03-24
Congratulations on TransNeptunian planet discovery
Tags: Pluto
Lampland, Carl O., Discovery of Pluto Letter from Carl Lampland to Gabrielle Camille Flammarion, June 4, 1930
Lampland, Carl O., Discovery of Pluto Letter from Carl Lampland to Gabrielle Camille Flammarion, June 4, 1930, 1930-06-04
Photos and Lowell Observatory publications regarding the new planet
Tags: Pluto
Lampland, Carl O., Discovery of Pluto Idea of a group of transneptunian planets Letter from Carl Lampland to Gabrielle Camille Flammarion, November 17, 1930
Lampland, Carl O., Discovery of Pluto Idea of a group of transneptunian planets Letter from Carl Lampland to Gabrielle Camille Flammarion, November 17, 1930, 1930-11-17
Gabrielle Camille Flammarion's idea of a group of transneptunian planets
Discovery plates of Pluto sent to Gabrielle Camille Flammarion
Clemence, G.M, Pluto orbit work Letter from G.M. Clemence (Director of the Nautical Almanac Office, part of the U.S. Naval Observatory) to Carl Lampland, February 16, 1948
Clemence, G.M, Pluto orbit work Letter from G.M. Clemence (Director of the Nautical Almanac Office, part of the U.S. Naval Observatory) to Carl Lampland, February 16, 1948, 1948-02-16
Valuable series of observations of Pluto by Carl Lampland as described by Dr. Oort.
G.M. Clemence and Dr. Brouwer are engaged in a research program…
Tags: Pluto