Browse Items (278 total)

Stokely, J., Discovery of Pluto Letter from James Stokley (Science Services, Inc.) to Carl Lampland, July 29, 1930, 1930-07-29

Stokely's airplane photograph of Meteor Crater

Status of the Pluto situation

Request for copies of leaflet and announcement issued on Pluto's…

Tags: Pluto

Lampland, C.O., Discovery of Pluto Letter from Carl Lampland to James Stokley, August 5, 1930, 1930-08-05

Stokely's airplane photograph of Meteor Crater

Status of the Pluto situation

Request for copies of leaflet and announcement issued on Pluto's…

Tags: Pluto

Stokely, J., Discovery of Pluto Letter from James Stokley to Carl Lampland, August 11, 1930, 1930-08-11

All reports indicate "that you have made a real planetary discovery"

Latest issue of 'The Observatory' containing Dr. Crommelin's reports to the…

Tags: Pluto

Tombaugh, Clyde W., Credit for the discovery of Pluto Letter from Clyde Tombaugh to Carl Lampland, October 18, 1932, 1932-10-18

Problem with the treatment of the discovery of Pluto in Professor Baker's new book on Astronomy wherein Tombaugh's name is not mentioned as the…

Tags: Pluto

Lampland, Carl O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, October 22, 1932, 1932-10-22

Problem with the treatment of the discovery of Pluto in Professor Baker's new book on Astronomy wherein Tombaugh's name is not mentioned as the…

Tags: Pluto

Lampland, Carl O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, October 29, 1932, 1932-10-29

Problem with the treatment of the discovery of Pluto in Professor Baker's new book on Astronomy wherein Tombaugh's name is not mentioned as the…

Tags: Pluto

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…

Tags: Astronomy, Pluto

Lampland, Carl O, Credit for the discovery of Pluto The Martian Polar Cap "Carbonic Acid" hypothesis Letter from Carl Lampland to Clyde Tombaugh, November 5, 1932, 1932-11-05

Rock salt crystals for prism purposes; Dry ice, Martian polar caps, carbon dioxide (the 'Carbonic Acid' hypothesis) and Dr. Alter's comments on life…

Tags: Astronomy, Pluto

Lampland, C.O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, May 18, 1933, 1933-05-18

Announcement of new edition of Baker's 'Astronomy'

Lampland hopes the shortcomings of the earlier edition will be remedied in connection with Pluto

Tags: Pluto

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