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13 résultats pour : allegheny county

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Greeting Card - Helen Hay Whitney, c1900-1925. Creator: Ernest Haskell.
HRM25A10_197

Greeting Card - Helen Hay Whitney, c1900-1925. Cre...

Good-by at Tarentum, Pa., between c1915 and c1920. Creator: Bain News Service.
HRM24A31_007

Good-by at Tarentum, Pa., between c1915 and c1920....

Allegheny Co. [County] Soldiers' Memorial, Pittsburgh, Pa., between 1910 and 1920. Creator: Unknown.
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Allegheny Co. [County] Soldiers' Memorial, Pittsbu...

Plant of the Westinghouse Air Brake Co., Wilmerding, Pa., c1905. Creator: Unknown.
HRM23A45_001

Plant of the Westinghouse Air Brake Co., Wilmerdin...

Blast furnace at Carnegie-Illinois Steel Corporation mill in Etna, Pennsylvania, 1941. Creator: Alfred T Palmer.
HRM22A78_377

Blast furnace at Carnegie-Illinois Steel Corporati...

Iron ore piles and blast furnaces, Carnegie-Illinois Steel Corporation mill, Etna, Pa., 1941. Creator: Alfred T Palmer.
HRM22A78_376

Iron ore piles and blast furnaces, Carnegie-Illino...

Blast furnaces and iron ore at the Carnegie-Illinois Steel Corporation mills, Etna, Pennsylvania, 19 Creator: Alfred T Palmer.
HRM22A78_378

Blast furnaces and iron ore at the Carnegie-Illino...

White-hot steel pours like water from a 35-ton electric furnace, Allegheny Ludlum Steele..., (1941?) Creator: Alfred T Palmer.
HRM22A78_386

White-hot steel pours like water from a 35-ton ele...

Bessemer converter (iron into steel), Allegheny Ludlum Steel[e] Corp., Brackenridge, Pa., (1941?). Creator: Alfred T Palmer.
HRM22A78_387

Bessemer converter (iron into steel), Allegheny Lu...

Ladle of molten iron is poured into..., Allegheny Ludlum Steele Corp., Brackenridge, Pa., (1941?). Creator: Alfred T Palmer.
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Ladle of molten iron is poured into..., Allegheny ...

Back into production go these carloads..., Allegheny Ludlum Steele Corp., Brackenridge, Pa., (1941?) Creator: Alfred T Palmer.
HRM22A78_385

Back into production go these carloads..., Alleghe...

Drill press operator, Allegheny Ludlum Steel[e] Corp., Brackenridge, Pa., 1941?. Creator: Alfred T Palmer.
HRM22A78_383

Drill press operator, Allegheny Ludlum Steel[e] Co...

The Property of John P. and Catharina Schuring, Franklin Town, Allegheny County..., 1883. Creator: Ferdinand Arnold Brader.
HRM22A42_392

The Property of John P. and Catharina Schuring, Fr...