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Over 120 years of history

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Archival research support

Overview

Established in 1902 as one of the first privately funded research organizations in the United States, Carnegie Science recognizes the importance of our history of groundbreaking discovery. At two locations in Washington, DC and Pasadena, CA, the Carnegie Science Archives preserve the documents, photographs, and artifacts that tell the story of the institution’s 120+ year history.

Reading Room, Broad Branch Road Campus Library

Administration and EPL Archives

5241 Broad Branch Rd NW, Washington, DC 20015

Carnegie's Administration and Earth & Planets Laboratory (EPL) Archives are housed at our Broad Branch Road campus in Washington, DC. The Administration Archives span 1890 through 2001 and include administrative records of Carnegie's numerous research programs and departments, papers of Carnegie presidents, and personnel, finance, patent, and trustee records. The EPL Archives include the administrative records of the Department of Terrestrial Magnetism (1904-2020) and Geophysical Laboratory (1905-2020), records of the research vessels Carnegie and Galilee, and photographs documenting field and laboratory studies of the departments. Norman L. Bowen, Oliver H. Gish, Frederick E. Wright, and Vera C. Rubin are among the prominent scientists whose personal papers and photographs are preserved in the EPL Archives. A digital archive of the laboratory's websites back to 2018 is full-text searchable in Archive-It.

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Plate vault

Observatories Archives

813 Santa Barbara Street, Pasadena, CA 91101

The Observatories Archives are housed at the Carnegie Observatories in Pasadena, California. Of note in the Observatories Archives is the world’s second largest glass plate collection, consisting of over 200,000 glass plate negatives. The Plate Archives includes spectra, direct object images, and solar plates taken between 1892 and 1994 using telescopes at the Mount Wilson, Palomar, Las Campanas, and Kenwood Observatories. The Observatories Archives also include historical photographs of Observatories’ staff and facilities, telescope log books, vintage lantern slides used in history and astronomy lectures, Carnegie astronomer memorabilia, positive photographic prints of plate images, engineering drawings of Carnegie telescopes, and blueprints of the Observatories’ historic Santa Barbara Street building.

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For Researchers