Yard of steel works, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Yards, showing moulds and travelling crane, steel works, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Drawing off the iron. Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Group of miners in the main tunnel (1 1/2 miles long) of a huge coal mine, Pittsburg, Pa., U.S.A.
Publisher: White, H.C. & Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Operators and their levers handling converters and ladles, steel works, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Steel works, Pittsburgh, Pa., beam of hot iron in rolling mill, drawn out [00?] feet long.
Publisher: Underwood & Underwood
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Steel works, Pittsburgh, Pa., beam of hot iron in rolling mill, drawn out [00?] feet long.
Publisher: Underwood & Underwood
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Suspension Bridge, Pittsburgh.
Photographer: Purviance, W.T. (William T.)
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Suspension Bridge, Pittsburgh.
Photographer: Purviance, W.T. (William T.)
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Interior of grand opera house, Philadelphia, Pa., U.S.A.
Charging a Bessemer converter, steel works, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Emptying cooled pig iron from molds into car, pig iron machine, Pittsburg, Pa.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Front view of ladle emptying molten iron into moulds, pig iron machine, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Modern pig iron machine at rest, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Red-hot steel beam from rolling process being cut into lengths by buzz saw, steel works, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Steel ingot on the "table" of the "blooming" mill, steel works, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Filling molds with steel, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
River coal trade, Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Fountain, corner Federal and Ohio Sts., Pittsburg, Pa., U.S.A.
Publisher: Keystone View Co.
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
The Point and Union Bridge, Pittsburgh, Pa.
Glass works in Birmingham, Pittsburg, Pa.
Group of children playing around water hole strewn with refuse, Pittsburgh.
Suspension bridge, Pittsburgh.
Publisher: Purviance, W.T.
Photographer: Purviance, W.T. (William T.)
Distributor: James S. Earle & Sons
Subjects: Pennsylvania, Pittsburgh (Pa.), Pennsylvania, Suspension bridges
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: Purviance, W.T. (William T.)
Distributor: James S. Earle & Sons
Subjects: Pennsylvania, Pittsburgh (Pa.), Pennsylvania, Suspension bridges
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
U. S. Arsenal, Pittsburg [sic].
Publisher: Purviance, W.T.
Photographer: Purviance, W.T. (William T.)
Subjects: Pennsylvania, Pittsburgh (Pa.), Armories
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: Purviance, W.T. (William T.)
Subjects: Pennsylvania, Pittsburgh (Pa.), Armories
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
U. S. Arsenal, Pittsburg [sic].
Publisher: Purviance, W.T.
Photographer: Purviance, W.T. (William T.)
Subjects: Pennsylvania, Pittsburgh (Pa.), Armories
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: Purviance, W.T. (William T.)
Subjects: Pennsylvania, Pittsburgh (Pa.), Armories
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Grain elevator, Pittsburgh.
Publisher: Purviance, W.T.
Photographer: Purviance, W.T. (William T.)
Subjects: Pennsylvania, Pittsburgh (Pa.), Grain elevators
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: Purviance, W.T. (William T.)
Subjects: Pennsylvania, Pittsburgh (Pa.), Grain elevators
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
The beautiful Suspension Bridge across the Allegheny, at St. Clair St. Pittsburgh.
Publisher: E. & H.T. Anthony & Co.
Subjects: Pennsylvania, Pittsburgh (Pa.), Pennsylvania, Suspension bridges
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pittsburgh (Pa.), Pennsylvania, Suspension bridges
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]