locks hydraulic engineering

Lockport von Prospect Hill.

Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description

Blick auf Schleusen, die ein Boot zeigen, das sich durchsperrt, Lockpo...

Picryl description: Public domain image of a canal, barge, historic place, water reflection, 19th century, free to use, no copyright restrictions.

Weigh Lock, Kreuzung Oswego und Erie Canal, Syracuse, N.Y.

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

First lock Conestoga River. Lancaster PA. 19th century stereoscope car...

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... Mehr

Nein. XI. Blick vom Mount Holyoke in Massachusetts; Nein. XII. Westlic...

Schleuse des Seitenkanals bei Columbus Ohio.

Public domain scan of the book page, free to use, no copyright restrictions image - Picryl description

[Ansicht von Kanal und Schleusen, Keokuk, Iowa.]

Iowa 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... Mehr

Betreten von Poe Lock, Sault Ste. Marie, Mich.

Picryl description: Public domain photo of vintage naval ship postcard, free to use, no copyright restrictions image.

[Worker sitting near the locks.] NYPL Stereoscope cards collection.

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Blick vom Schleusenkopf nach unten, Lockport.

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Blick auf Schleusen, die ein Boot zeigen, das sich durchsperrt, Lockpo...

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

[Ansicht von Kanal und Schleusen, Keokuk, Iowa.]

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Sault Ste. Marie-Kanal, Schiffe auf der Durchreise.

Public domain image of a historic view of Boston Harbor, Massachusetts, free to use, no copyright restrictions - Picryl description

Conestoga at 2nd lock. Lancaster PA. 19th century stereoscope card.

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... Mehr

Nordostansicht der Schleusen in Lockport.

Picryl description: Public domain image related to politics, political campaigns, committee, free to use, no copyright restrictions.

Auf niedrigem Niveau, Poe Lock, Sault Ste. Marie, Mich.

Picryl description: Public domain photo of vintage naval ship postcard, free to use, no copyright restrictions image.

W. H. William Henry Bartlett - Lockport, Erie Canal.

Public domain scan of a print with maritime landscape, ship in the harbor, sea, free to use, no copyright restrictions image - Picryl description

Little Falls, from Lovers Leap. 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... Mehr

Canal locks, Lockport, N.Y. New York Sterecope Card.

Picryl description: Public domain photograph of a historic city, cityscape, street view, buildings, 19th-century architecture, free to use, no copyright restrictions.

Blick vom Fuß der Schleusen nach oben, Lockport.

New York State 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 w... Mehr

Locks. New York Sterecope Card. NYPL Collection.

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... Mehr

Betreten von Poe Lock, Sault Ste. Marie, Mich.

Public domain photo of vintage Michigan postcard, 19th century, free to use, no copyright restrictions image - Picryl description.

Locks. New York Sterecope Card. NYPL Collection.

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... Mehr

[Arbeiter an den Schleusen, Keokuk, Iowa.]

Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.

Die Schleusen, Sault Ste. Marie, Mich.

Picryl description: Public domain photo of vintage Michigan postcard, free to use, no copyright restrictions image.

Old Traders Lock, Sault Ste. Marie, Ont.

Picryl description: Public domain image of a historic building in Detroit, Michigan, free to use, no copyright restrictions.

Auf hohem Niveau, Poe Lock, Sault Ste. Marie, Mich.

Picryl description: Public domain photo of vintage naval ship postcard, free to use, no copyright restrictions image.

Worker sitting near the locks. NYPL Stereoscope cards collection.

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Hafeneinfahrt, Lockport.

Public domain photo of art print, 19th century, free to use, no copyright restrictions image - Picryl description.

[Arbeiter an den Kanalschleusen, Keokuk, Iowa.]

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Blick in der Nähe des Hauptgebäudes von locks & Holly, Lockport.

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Canal locks, Lockport, N.Y. New York Sterecope Card.

Picryl description: Public domain photograph of a historic city, cityscape, street view, buildings, 19th-century architecture, free to use, no copyright restrictions.

[Blick vom Kopf der Schleusen nach unten, Lockport.]

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Locks at Lockport. 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... Mehr

Lockport N.Y. - Public domain city architecture drawing

Public domain image, drawing, American, 19th century, free to use, no copyright restrictions image - Picryl description

Picryl description: Public domain image of a ship hull, port, harbor, ...

Public domain image with Picryl description as title Public domain photograph of ship dock, harbor, free to use, no copyright restrictions image - Picryl description

Blick auf die Schleusen, Lockport, N.Y.

New York State 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 w... Mehr

Little Falls, from Lovers Leap. 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... Mehr

[Ansicht der Schleusen, Lockport, N.Y.]

New York State 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 w... Mehr

Betreten und Verlassen von Poe Lock, Sault Ste. Marie, Mich.

Picryl description: Public domain photo of vintage Michigan postcard, free to use, no copyright restrictions image.

Sault Ste. Marie-Kanal, Schiffe auf der Durchreise.

Public domain image of a historic view of Boston Harbor, Massachusetts, free to use, no copyright restrictions - Picryl description

Weigh Lock, Kreuzung Oswego und Erie Canal, Syracuse, N.Y.

Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions

Conestoga at 2nd lock. Lancaster PA. 19th century stereoscope card.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Blick vom Fuß der Schleusen nach oben, Lockport.

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... Mehr

Blick in der Nähe des Hauptgebäudes von locks & Holly, Lockport.

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Blick auf Kanal und Schleusen, Keokuk, Iowa.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Locks. New York Sterecope Card. NYPL Collection.

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... Mehr

Sault Ste. Marie-Kanal, Schiffe auf der Durchreise.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Blick vom Schleusenkopf nach unten, Lockport.

New York State 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 w... Mehr

Little Falls, from Lovers Leap. 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... Mehr

[Ansicht der Schleusen, Lockport, N.Y.]

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Arbeiter an den Kanalschleusen, Keokuk, Iowa.

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Blick auf Schleusen, die ein Boot zeigen, das sich durchsperrt, Lockpo...

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Little Falls, from Lovers Leap. 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... Mehr

Locks. New York Sterecope Card. NYPL Collection.

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... Mehr

Blick auf Kanal und Schleusen, Keokuk, Iowa.

Iowa 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... Mehr

Worker sitting near the locks. NYPL Stereoscope cards collection.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Locks at Lockport. 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... Mehr

View of locks, Lockport, N.Y. - back of stereoscopic card

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Canal locks, Lockport, N.Y. New York Sterecope Card.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Blick auf Schleusen, die ein Boot zeigen, das sich durchsperrt, Lockpo...

Picryl description: Public domain image of a canal, barge, historic place, water reflection, 19th century, free to use, no copyright restrictions.

Locks at Lockport. 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... Mehr

Arbeiter an den Kanalschleusen, Keokuk, Iowa.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Blick auf Schleusen, die ein Boot zeigen, das sich durchsperrt, Lockpo...

New York State 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 w... Mehr

Weigh Lock, Kreuzung Oswego und Erie Canal, Syracuse, N.Y.

Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions

Blick vom Fuß der Schleusen nach oben, Lockport.

New York State 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 w... Mehr

Blick vom Schleusenkopf nach unten, Lockport.

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Conestoga at 2nd lock. Lancaster PA. 19th century stereoscope card.

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... Mehr

Arbeiter an den Schleusen, Keokuk, Iowa.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Conestoga at 2nd lock. Lancaster PA. 19th century stereoscope card.

Blick vom Schleusenkopf nach unten, Lockport.

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Locks at Lockport. 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... Mehr

Blick in der Nähe des Hauptgebäudes von locks & Holly, Lockport.

New York State 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 w... Mehr

Blick vom Schleusenkopf nach unten, Lockport.

New York State 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 w... Mehr

Blick auf Kanal und Schleusen, Keokuk, Iowa.

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

First lock Conestoga River. Lancaster PA. 19th century stereoscope car...

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... Mehr

Blick auf die Schleusen, Lockport, N.Y.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

First lock Conestoga River. Lancaster PA. 19th century stereoscope car...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Blick auf Schleusen, die ein Boot zeigen, das sich durchsperrt, Lockpo...

New York State 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 w... Mehr

Blick auf Kanal und Schleusen, Keokuk, Iowa.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Blick vom Fuß der Schleusen nach oben, Lockport.

New York State 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 w... Mehr

Canal locks, Lockport, N.Y. New York Sterecope Card.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Sault Ste. Marie-Kanal, Schiffe auf der Durchreise.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

First lock Conestoga River. Lancaster PA. 19th century stereoscope car...

Nein. XI. Blick vom Mount Holyoke in Massachusetts; Nein. XII. Westlic...

Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description

Regierungsschloss, Hochbrücke, Ky.

Picryl description: Public domain image of a historic building in Detroit, Michigan, free to use, no copyright restrictions.

Arbeiter an den Schleusen, Keokuk, Iowa.

Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.

View of locks, Lockport, N.Y. - stereoscopic view, public domain photo...

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... Mehr

Weigh Lock, Kreuzung Oswego und Erie Canal, Syracuse, N.Y.

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Blick in der Nähe des Hauptgebäudes von locks & Holly, Lockport.

New York State 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 w... Mehr