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University of Pittsburgh
Title
Horse-Drawn Through Car #13
Date
ca. 1888-1900
Source
Pittsburgh Railways Company Records, 1872-1974
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University of Pittsburgh
Title
PRC Federal Street--Troy Hill--East Ohio Street
Date
ca. 1889-1905
Source
Pittsburgh Railways Company Records, 1872-1974
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University of Pittsburgh
Title
90 Ton Ingot-Pouring
Date
ca. 1890-1900
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
90 Ton Ingot-Shipping
Date
ca. 1890-1900
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
42-Inch Mill
Date
1890
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
Casting 90 Ton Ingot
Date
1890
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
35-Inch Structural Mill
Date
ca. 1891-1892
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
90 Ton Ingot
Date
1892
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
90 Ton Ingot
Date
ca. 1893-1895
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
Steel Yard
Date
ca. 1893-1895
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
Mill Yard
Date
ca. 1900-1910
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
Boring Outfit
Date
September 26, 1901
Source
Pittsburgh City Photographer Collection, 1901-2002
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University of Pittsburgh
Title
1902 Carpenter Shop
Date
1902
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
Main Gate
Date
ca. 1904
Source
William J. Gaughan Collection
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University of Pittsburgh
Title
Tree Removal
Date
April 27, 1905
Source
Pittsburgh City Photographer Collection, 1901-2002
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University of Pittsburgh
Title
Grader
Date
May 29, 1905
Source
Pittsburgh City Photographer Collection, 1901-2002
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University of Pittsburgh
Title
Conduit Forms
Date
May 31, 1905
Source
Pittsburgh City Photographer Collection, 1901-2002
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University of Pittsburgh
Title
Construction Progress
Date
May 29, 1905
Source
Pittsburgh City Photographer Collection, 1901-2002
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University of Pittsburgh
Title
Drain Construction
Date
May 31, 1905
Source
Pittsburgh City Photographer Collection, 1901-2002
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University of Pittsburgh
Title
Steam-Driven Tractor
Date
June 9, 1905
Source
Pittsburgh City Photographer Collection, 1901-2002