CLYDE WILLIAM TOMBAUGH - TYPESCRIPT SIGNED - HFSID 253359
Sale Price $252.00
Clyde Tombaugh signs a typescript titled "The Ten Special Commandments for a Would-Be Planet Hunter, according to Clyde Tombaugh".
Typescript signed: "Clyde W. Tombaugh/Discovered 9th planet, Pluto, on 18 Feb 1930", 1p, 8¼x10½. Titled, "The Ten Special Commandments for a Would-Be Planet Hunter, according to Clyde Tombaugh". Ink correction to one word of text. Clyde W.Tombaugh (1906-1997) was hired in 1929 as an assistant by the Lowell Observatory in New Mexico to continue the search for a planet beyond Neptune, which had been initiated by Percival Lowell. Tombaugh used a blink microscope to compare photographs of a small part of the night sky and detect the planet. After ten months of painstaking comparisons, on February 18, 1930 he found Pluto in the constellation Gemini. Some of his ashes are carried on the New Horizons spacecraft, which is traveling toward Pluto. Fine condition.
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