Organization. Hudson pressure tunnel. Mayor William J. Gaynor firing b...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Wallkill pressure tunnel. ... Contract 47. May 25, 1910.
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Yonkers pressure tunnel. Contract 54. November 21, 1913.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Borings. Hand core-boring rig at work on line of Wallkill pressure tun...
Public domain photo of a monument, historic place, 19th century, free to use, no copyright restrictions image - Picryl description.
Yonkers pressure tunnel. Finished lining in foreground. Placing concr...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Croton Lake pressure tunnel. ... Contract 24. October 3, 1913.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Elmsford tunnel. Timbering near North portal. Bench not excavated. Con...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Attempt of blowing up the train from Nashville to Stevenson by means o...
Picryl description: Public domain historical book on American Civil War, free to use, no copyright restrictions image.
East end of tunnel, showing bed of road.
Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
View of tunnel, E.R.R. Massachusetts stereoscope card collection, NYPL
Picryl description: Public domain image of a locomotive, train cars, railroad tracks, railway, 19th-20th century, free to use, no copyright restrictions.
Black Rock Tunnel, near Phoenixville. Philadelphia Reading Railroad. S...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
View in Fairmount Park. Tunnel. Stereoscope card, 19th century Philade...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
West End Tunnel No. 3. 19th century stereoscope card. Utah.
Utah stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who assembl... More
Tunnel No. 2, Echo Cañon, U.P.R.R. [Union Pacific Railroad].
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Crested Peak and Tunnel no. 10, eastern slope of western summit.
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
East entrance to Mullen Tunnel. [Men working at the entrance to the tu...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
View from tunnel 3. 19th century stereoscope card. Utah.
Public domain image of a train station, free to use, no copyright restrictions - Picryl description
Index [Finger] Rock, Upper Weber Canyon, near Tunnel No. 3. Union Paci...
Public domain image of a train station, free to use, no copyright restrictions - Picryl description
West Portal, Hoosac Tunnel, North Adams, Mass.
Public domain photo of vintage Massachusetts postcard, free to use, no copyright restrictions image - Picryl description
Timber-shored tunnel into mine, San Juan County, Colorado. Much timber...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Railroad tunnel. Lancaster PA. 19th century stereoscope card.
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Superstructures. Breakneck Gaging chamber, located south of Breakneck ...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Wallkill pressure tunnel. Transition section from cut-and-cover aquedu...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Wallkill pressure tunnel. End view of section of concrete lining with...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Hudson pressure tunnel. Fourteen-foot cast-steel dome for Drainage sha...
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Bonticou grade tunnel. South portal completed. Note stone boundary wa...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Bonticou tunnel. Competed trimming of tunnel shown in foreground. ... ...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Hudson pressure tunnel. View looking east across Hudson river towards ...
Picryl description: Public domain image of a landscape with water, mountains, and sky, free to use, no copyright restrictions.
Hudson pressure tunnel. Intrerior of temporary superstructure over Dra...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
Hoosac Tunnel, west end of the double track.
Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More
View of the cascade 200 feet high, 1-4 mile up the creek, to the right...
Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More
View of the cascade 125 feet high, 1-4 mile up the creek, to the right...
Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More
Interior of Railway Suspension Bridge, 800 feet long.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Pennsylvania Railroad, Spruce Creek tunnel. Stereoscope card.
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Pennsylvania Railroad, The Allegheny Tunnel. Stereoscope card.
Picryl description: Public domain image of a train station, railroad tracks, railway, 19th-20th century, free to use, no copyright restrictions.
East from Mullen Tunnel Grade [coach on the road].
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
East from Mullen Tunnel Grade [coach on the road].
Public domain image of a train station, free to use, no copyright restrictions - Picryl description
The Famous Wawona Tree Tunnel and Coach, Cal.
California Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a... More
The Tunnel, River Drive, Philadelphia, Pa.
Public domain photo of vintage Pennsylvania postcard, 19th century, free to use, no copyright restrictions image - Picryl description.
Tunnel, [railroad underpass] White Hall, N.Y.
Public domain image of a large historic building, city hall, urban architecture, free to use, no copyright restrictions - Picryl description
Entrance to tunnel, west end. Massachusetts stereoscope card collectio...
Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More
Showing concrete over iron work - Harlem River Tunnel.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Rondout pressure tunnel. Placing concrete in excavated mud seam in the...
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Bull Hill tunnel. View showing timbering in place. ... Contract 22. No...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
City tunnel. Steel diaphragm at tunnel end of drainage drift showing 8...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Rondout pressure tunnel. Section of tunnel with finished concrete lin...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Interior of the snow sheds on the C.P.R.R.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Entrance to tunnel, west end. Massachusetts stereoscope card collectio...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Pennsylvania Railroad, The Allegheny Tunnel. Stereoscope card.
Picryl description: Public domain image of a train station, railroad tracks, railway, 19th-20th century, free to use, no copyright restrictions.
Mullen Tunnel Grade east approach [showing log cabin at the bottom of ...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Bend of the Weber, Upper Weber Kanyon, near Tunnel no. Three looking, ...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Observatory and Tunnel. New York Sterecope Card.
New York stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More
Tunnel at Summit Station, Pa. Catawissa Railroad Company. Pennsylvania...
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More
City tunnel. Interior of temporary superstructure over Shaft 11 showin...
Public domain photograph related to New York City, free to use, no copyright restrictions image - Picryl description
Map of routes to the Holland Tunnel.
Public domain image of the vintage map from NYPL Lionel Pincus and Princess Firyal Map Division, free to use, no copyright restrictions image. The Lionel Pincus and Princess Firyal Map Division is one of the wo... More
State Line Tunnel, Berkshire Hills, Massachusetts
Public domain photo of vintage Massachusetts postcard, free to use, no copyright restrictions image - Picryl description
Interior of Railway Suspension Bridge, 800 feet long.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
[...] approach Mullen Tunnel. [Men working at entrance to Mullen Tunne...
Public domain image of a train station, free to use, no copyright restrictions - Picryl description
Rondout pressure tunnel. Steel arch forms mounted on traveler with pla...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Wallkill pressure tunnel. View showing completed concrete side-wall. N...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Toltec tunnel from across the gorge.
Colorado stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More
La Salle St. tunnel, Chicago. Chicago Stereoscope Card Collection
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
[Raton tunnel on the A.T. & S.F. R.R. N.M.]
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Central Park, the Tunnel. New York Sterecope Card.
New York stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More
The Tunnel. New York Sterecope Card.
New York stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More
Railroad suspension bridge, &c. New York Sterecope Card.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Tunnel, Havana Glen. New York Sterecope Card.
New York stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More
In the tunnel of a coal mine, Pittsburg, Penn'a.
Picryl description: Public domain image of a coal mine, mining, free to use, no copyright restrictions.
Pennsylvania Railroad, Columbia Tunnel. Stereoscope card.
Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description
Pennsylvania Railroad, Allegheny Tunnel. Stereoscope card.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Tunnel at Summit Station, Pa. Catawissa Railroad Company. Pennsylvania...
Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description
Flat Rock tunnel, Reading R.R., length 940 feet.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Bend of the Weber, Upper Weber Kanyon, near Tunnel No. Three, looking ...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
The Famous Wawona Tree Tunnel and Coach, Cal.
California Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a... More
The Narrows Tunnel: chart of borings.
Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.
Second Tunnel, Grand River Canyon, Colo.
Picryl description: Public domain photo of vintage Colorado postcard, free to use, no copyright restrictions image.
The "N.C.Munson," first engine through Hoosac tunnel, February 9th, 18...
Picryl description: Public domain image of a locomotive, train cars, railroad tracks, railway, 19th-20th century, free to use, no copyright restrictions.
Lowell water works tunnel. Lowell, Massachusetts. Stereoscope card.
Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More
Pennsylvania Railroad, Carr’s Tunnel. Stereoscope card.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
West End Tunnel No. 3. 19th century stereoscope card. Utah.
Utah stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who assembl... More
Entrance to tunnel, west end. Massachusetts stereoscope card collectio...
Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More
Hudson pressure tunnel. Corrugated pipe columns in position at top of ...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Superstructures. View of Drainage chamber of Wallkill pressure tunnel....
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Borings. Dimond drill mounted on platform at Hudson Pressure Tunnel cr...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Organization. City tunnel. Mayor John Purroy Mitchel switching on curr...
Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Yonkers pressure tunnel. Contract 54. September 25, 1914.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Camps. Croton Lake pressure tunnel. ... Contract 24. May 6, 1910.
Public domain photograph of mountains, winter, snow, free to use, no copyright restrictions image - Picryl description
Wallkill pressure tunnel. View showing chamber over Shaft 1 with compl...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Wallkill pressure tunnel. View showing full-section steel forms in pla...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Borings. Testing porosity of rock on site of Rondout pressure tunnel. ...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Bonticou tunnel. Erecting steel area arch forms for concreting. .. Con...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
San Fernando Tunnel. Sterescope Cards NYPL Collection.
California Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a... More
West portal of tunnel, sec. 8. - stereoscopic view, public domain phot...
Boston Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yo... More
Hoosac Tunnel, Mass. Massachusetts stereoscope card collection, NYPL
Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More
Hoosac Tunnel, east portal and mountain.
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
The entrance of the Shawangunk Tunnel, on the west side.
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Interior of Railway Suspension Bridge, 800 feet long.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.