Allegheny Observatory.
Allegheny Observatory records, circa 1886-circa 1929.
Collection includes negatives of the original Allegheny Observatory (exterior and interior views); the second Allegheny Observatory (exterior and interior views); equipment; the Thaw and other telescopes; observations; individual and group photos of people associated with the observatory; portraits of John A. Brashear; two boxes of personal photos by Frank C. Jordan of family and friends; astronomical observatories and other views in Ohio, Wisconsin, Colorado, and the West.
Brashear, John A. (John Alfred), 1840-1920 -- Portraits.
Jordan, Frank C. -- Family -- Photographs.
Allegheny Observatory.
Allegheny Observatory -- Officials and employees -- Photographs.
Astronomy -- Observations
Astronomical observatories -- United States -- Photographs.
Telescopes (Astronomy).
Scientific apparatus and instruments.
Colarado -- Photographs.
Ohio -- Photographs.
West (U. S.) -- Photographs.
Wisconsin -- Photographs.
Negatives (photographic. aat
AIP-ICOS
University of Pittsburgh. Archives of Industrial Society. 7500 Thomas Boulevard, Pittsburgh, PA 15208, USA