Category:Historic American Engineering Record images of Pittsburgh, Pennsylvania

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This category has only the following subcategory.

Media in category "Historic American Engineering Record images of Pittsburgh, Pennsylvania"

The following 53 files are in this category, out of 53 total.

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  3-4 VIEW FROM NORTHWEST. - Washington Crossing Bridge, Spanning Allegheny River at Fortieth Street (State Route 2124), Pittsburgh, Allegheny County, PA HAER PA,2-PITBU,26-2.tif 5,000 × 4,044; 19.29 MB
  
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  3-4 VIEW FROM SOUTHWEST. - Washington Crossing Bridge, Spanning Allegheny River at Fortieth Street (State Route 2124), Pittsburgh, Allegheny County, PA HAER PA,2-PITBU,26-1.tif 5,000 × 3,994; 19.05 MB
  
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  East portal and piers, view westward - West Penn Bridge, Pennsylvania Railroad, spanning Allegheny River, Pittsburgh, Allegheny County, PA HAER PA,2-PITBU,70-4.tif 4,065 × 5,000; 19.39 MB
  
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  East portal, view westward with deck - West Penn Bridge, Pennsylvania Railroad, spanning Allegheny River, Pittsburgh, Allegheny County, PA HAER PA,2-PITBU,70-6.tif 5,000 × 4,047; 19.3 MB
  
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  3-4 VIEW OF NORTH MAIN PIER. - Washington Crossing Bridge, Spanning Allegheny River at Fortieth Street (State Route 2124), Pittsburgh, Allegheny County, PA HAER PA,2-PITBU,26-5.tif 5,000 × 3,990; 19.03 MB
  
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  CENTER- EAST ELEVATION OF BESSEMER BUILDING; LEFT- CHARGING HOUSE, ELEVATED FROM HOT METAL BRIDGE, LOOKING SW. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan HAER PA,2-PITBU,62A-11.tif 5,032 × 3,595; 17.25 MB
  
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  CHARGING PLATFORM- ELEVATED LINE FROM HOT METAL BRIDGE. STACK FOR FURNACE -24. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet HAER PA,2-PITBU,62A-26.tif 3,656 × 5,097; 17.77 MB
  
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  EAST ELEVATION OF BESSEMER BUILDING, LOOKING WEST. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, HAER PA,2-PITBU,62A-12.tif 3,647 × 5,064; 17.62 MB
  
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  GENERAL VIEW SOUTH OF TUNNEL FROM TRUNICATED WALL - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth Streets, East of Grant Street, Pittsburgh, HAER PA,2-PITBU,60-5.tif 5,000 × 3,930; 18.74 MB
  
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  General view to south, from Orphan Street. - Larimer Avenue Bridge, Spanning Washington Boulevard at Larimer Avenue (State Route 8), Pittsburgh, Allegheny County, PA (hhh.pa3657.color.361479c).tif 5,000 × 3,620; 51.81 MB
  
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  DETAIL OF WEST SIDE OF FLANKING RETAINING WALL, SHOWING TOOLING AND DETERIORATION OF CUT STONE - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth HAER PA,2-PITBU,60-8.tif 3,976 × 5,000; 18.96 MB
  
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  DETAIL VIEW OF SOUTH KEYSTONE PORTAL, VIEW NORTH - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth Streets, East of Grant Street, Pittsburgh, HAER PA,2-PITBU,60-2.tif 5,000 × 3,963; 18.9 MB
  
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  FORMER SOUTH PORTAL OF THE 79.4' TUNNEL EXTENSION - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth Streets, East of Grant Street, Pittsburgh, HAER PA,2-PITBU,60-3.tif 5,000 × 3,988; 19.02 MB
  
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  Hot Metal bridge entrance.jpg 1,024 × 820; 178 KB
  
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  Hot Metal bridge full.jpg 1,024 × 829; 85 KB
  
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  HotMetalBridge.jpg 827 × 1,024; 162 KB
  
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  INTERIOR OF BESSEMER BUILDING. VIEW FROM PLATFORM, LOOKING SE. NOTE- and-147;SAVE GEN LABORand-148;. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill HAER PA,2-PITBU,62A-22.tif 4,985 × 3,616; 17.19 MB
  
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  INTERIOR OF BESSEMER BUILDING. VIEW OF OVERHEAD CRANE. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, HAER PA,2-PITBU,62A-19.tif 3,652 × 5,050; 17.59 MB
  
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  INTERIOR OF CHARGING ROOM BETWEEN FORMER NO. 23 AND NO. 24. OVERHEAD FURNACES. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet HAER PA,2-PITBU,62A-23.tif 5,096 × 3,656; 17.77 MB
  
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  INTERIOR OF NO. 2 OPEN HEARTH WEST OF FORMER FURNACE NO. 25 IN VICINITY OF MIXERS (MACK HEMP) LADLE -2. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet HAER PA,2-PITBU,62A-16.tif 4,986 × 3,603; 17.13 MB
  
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  INTERIOR OF NO. 2 OPEN HEARTH WEST OF FORMER FURNACE NO. 25 IN VICINITY OF MIXERS (MACK HEMP) LADLE DETAIL. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan HAER PA,2-PITBU,62A-17.tif 5,055 × 3,619; 17.45 MB
  
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  INTERIOR OF NO. 2 OPEN HEARTH WEST OF FORMER FURNACE NO. 25 IN VICINITY OF MIXERS, LOOKING NW. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill HAER PA,2-PITBU,62A-14.tif 5,046 × 3,628; 17.46 MB
  
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  INTERIOR OF NO. 2 OPEN HEARTH WEST OF FORMER FURNACE NO.25 IN VICINITY OF MIXERS (MACK HEMP) LADLE -1 DETAIL. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan HAER PA,2-PITBU,62A-15.tif 5,074 × 3,619; 17.51 MB
  
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  Jack E. Boucher, Photograher, May 1974. VALVE LINKAGES. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, HAER PA,2-PITBU,62A-4.tif 3,576 × 5,000; 17.05 MB
  
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  Jack E. Boucher, Photographer, May 1974. VIEW OF HP CYLINDER. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson HAER PA,2-PITBU,62A-6.tiff 3,572 × 5,000; 17.04 MB
  
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  Jones and Laughlin from Oakland.jpg 1,024 × 748; 174 KB
  
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  GENERAL VIEW OF OPEN HEARTH AND BESSEMER BUILDING FROM HOT METAL BRIDGE, LOOKING SW. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 HAER PA,2-PITBU,62A-31.tif 4,989 × 3,686; 17.54 MB
  
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  INTERIOR OF BESSEMER BUILDING. LOOKING EAST. PLATFORM WHERE CONVERTERS STOOD. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north HAER PA,2-PITBU,62A-21.tif 3,647 × 5,055; 17.58 MB
  
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  INTERIOR OF BESSEMER BUILDING. VIEW OF NORTH WALL. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, HAER PA,2-PITBU,62A-20.tif 5,022 × 3,637; 17.42 MB
  
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  INTERIOR OF OPEN HEARTH BUILDING. VIEW FROM CHARGING PLATFORM ABOVE FORMER NO. 24 FURNACE, LOOKING WEST; RIGHT- WATER TREATMENT TANK, INSTALLED CA. 1979. - Jones and Laughlin HAER PA,2-PITBU,62A-24.tif 4,998 × 3,655; 17.42 MB
  
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  LOWER RAIL SPUR INTO BESSEMER BUILDING. EAST ENTRANCE, LOOKING WEST. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East HAER PA,2-PITBU,62A-18.tif 3,656 × 5,055; 17.63 MB
  
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  May 1974. BASE AND FLYWHEEL. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, opposite South Twenty HAER PA,2-PITBU,62A-8.tif 3,605 × 5,000; 17.19 MB
  
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  May 1974. GOVERNOR. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, opposite South Twenty-seventh HAER PA,2-PITBU,62A-5.tif 5,000 × 3,574; 17.04 MB
  
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  May 1974. SIDE ELEVATION. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, opposite South Twenty-seventh HAER PA,2-PITBU,62A-2.tif 3,579 × 5,000; 17.07 MB
  
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  May 1974. TOP OF THE CYLINDERS, LP (LEFT), HP (RIGHT) - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, HAER PA,2-PITBU,62A-7.tif 5,000 × 3,578; 17.06 MB
  
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  May 1974. VALVE LINKAGES. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, opposite South Twenty-seventh HAER PA,2-PITBU,62A-1.tif 3,590 × 5,000; 17.12 MB
  
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  May 1974. VIEW OF TOP OF HP CYLINDER. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, opposite South HAER PA,2-PITBU,62A-3.tif 3,557 × 5,000; 16.96 MB
  
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  MORGAN CRANE IN OVERHEAD BUILDING (CA. 1910), LOOKING SOUTH. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson HAER PA,2-PITBU,62A-25.tif 5,055 × 3,614; 17.43 MB
  
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  NORTH ELEVATION OF -2 OPEN HEARTH. FOREGROUND- SLAG DOCK, LOOKING SW. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East HAER PA,2-PITBU,62A-10.tif 5,059 × 3,633; 17.53 MB
  
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  Pier 4 and Span 5 Hot Metal bridge.jpg 1,024 × 825; 128 KB
  
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  SAFETY BAY LOCATED 207' FROM SOUTH PORTAL - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth Streets, East of Grant Street, Pittsburgh, Allegheny HAER PA,2-PITBU,60-7.tif 3,959 × 5,000; 18.88 MB
  
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  SOUTH AND EAST ELEVATION OF RIVER PUMP HOUSE. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, opposite HAER PA,2-PITBU,62A-13.tif 5,069 × 3,633; 17.57 MB
  
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  SOUTH KEYSTONE PORTAL AND PLANKING RETAINING WALLS, VIEW NORTH - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth Streets, East of Grant Street, HAER PA,2-PITBU,60-1.tif 5,000 × 3,996; 19.06 MB
  
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  SOUTH- WEST ELEVATION OF ENGINE HOUSE TO MORGAN BILLET MILL. FOREGROUND- 1960'S CRANE. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 HAER PA,2-PITBU,62A-34.tif 5,011 × 3,615; 17.28 MB
  
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  TRUNCATED TUNNEL AT MIDTOWN SUBWAY SITE, VIEW SOUTH - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth Streets, East of Grant Street, Pittsburgh, HAER PA,2-PITBU,60-4.tif 5,000 × 3,972; 18.94 MB
  
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  VIEW LOOKING EAST FROM CHARGING PLANT. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, opposite South HAER PA,2-PITBU,62A-27.tif 5,064 × 3,647; 17.62 MB
  
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  View of bank channel span, looking due south from east bank of Ohio River. - Ohio Connecting Railway, Brunot's Island Bridge, Spanning Ohio River at Brunot's Island, Pittsburgh, HAER PA,2-PITBU,74-3.tif 5,000 × 3,626; 17.29 MB
  
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  VIEW OF JONES AND LAUGHLIN FROM OAKLAND, LOOKING SOUTH. LEFT- HOT METAL BRIDGE; CENTER- OPEN HEARTH. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill HAER PA,2-PITBU,62A-9.tif 5,007 × 3,656; 17.46 MB
  
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  VIEW OF WYE FROM SOUTH PORTAL OF HOT METAL BRIDGE. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, HAER PA,2-PITBU,62A-30.tif 5,020 × 3,607; 17.27 MB
  
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  View south hills junction, inbound to Pittsburgh - Pittsburgh & Castle Shannon Railroad, South Hills Junction, Pittsburgh, Allegheny County, PA (hhh.pa3483.photos.360263p).tif 3,997 × 5,000; 19.06 MB
  
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  WEST ELEVATION OF 46" BLOOMING MILL, LOOKING SE. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 feet north of East Carson Street, HAER PA,2-PITBU,62A-33.tif 5,003 × 3,616; 17.26 MB
  
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  WEST ELEVATION OF OPEN HEARTH AND RAILROAD LINE AMONG BESSEMER BUILDING, LOOKING EAST. - Jones and Laughlin Steel Corporation, Pittsburgh Works, Morgan Billet Mill Engine, 550 HAER PA,2-PITBU,62A-35.tif 5,051 × 3,642; 17.55 MB
  
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  WEST SIDE OF FLANKING RETAINING WALL - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth Streets, East of Grant Street, Pittsburgh, Allegheny County, HAER PA,2-PITBU,60-6.tif 5,000 × 3,938; 18.78 MB