Records, 1850-1970.

ArchivalResource

Records, 1850-1970.

Correspondence and letterpress books of eight of the observatory directors: (Samuel P. Langley, Dir. 1867-1887; James Edward Keeler, Dir., 1891-1898; John Alfred Brashear, Dir., Pro-tem, 1898-1900; Frank Lawton Olicott Wadsworth, Dir., 1900-1905; Frank Schlesinger, Dir., 1905-1920; Heber Doust Curtis, Dir., 1920-1930; Frank Craig Jordan, Dir., 1930-1941; Nicholas Emory Wagman, Dir., 1941-1970); correspondence of astronomers affiliated with the Observatory (including Frank Bartko, Wallace Beardsley, Keivin Burns, and Zaccheus Daniel) and their miscellany, including notes and articles written by and about them, as well as miscellany from two other Observatory astronomers, J.H. Kiewiet de Jonge and Robert Kemper; directors' miscellany including notes and manuscripts, waste books, documents; notebooks and drawings of observations including Sunspot Drawings (1873-1882) and yearbooks of astronomical observations (1891-1898); photographs (exterior/interior views of the original and second observatory, equipment, Thaw telescope, other telescopes, observations, individuals, groups); records of the Astronomical Society of Pittsburgh; administrative records of the Allegheny Observatory.

32 cu. ft.

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SNAC Resource ID: 8290652

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Allegheny Observatory

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The appearance of the comet known as "Donati's Comet", discovered in Florence by Giovanni Donati on June 2, 1858, gave the initial stimulus to the founding of the observatory. Interest in the comets appearance caused a group of men (professional and business) to form the Allegheny Telescope Association. This group, among whom the most prominent were Professor Louis Bradley, Josiah King and Harvey Childs, met in Bradley's home on February 15, 1858, and resolved not only to found the A.T.A. but al...