Locks Hydraulic Engineering

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

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

Print shows a view of the waterworks on the Schuylkill River with the Wernwag River on the right and a canal lock with a boat in the lower right corner. The Library has two impressions; 2nd impression forms pa More

View of the Egham Lock on the river Thames. A landscape with trees can be seen in the distance, left and right. The river runs across the foreground. The opened lock gate is in the middle ground with the shadow More

Picryl description: Public domain image of a harbor, sailing ship, boat, city building, 19th-century architecture, free to use, no copyright restrictions.

View of the Egham Lock on the river Thames. A landscape with trees can be seen in the distance, left and right. The river runs across the foreground. The opened lock gate is in the middle ground with the shadow More

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Picryl description: Public domain image of a stereoscopic card from Boston Public Library, free to use, no copyright restrictions photograph.

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

Picryl description: Public domain vintage artistic photograph.

reverse side of stereoscopic card

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"479" on negative. Detroit Publishing Co. no. 04778. Gift; State Historical Society of Colorado; 1949.

View of construction of a lock on the Big Sandy River at Louisa, Kentucky. No. 422.

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

Date based on Detroit, Catalogue J (1901). Detroit Publishing Co. no. 012034. Gift; State Historical Society of Colorado; 1949.

Picryl description: Public domain image of a ship, navy, harbor, maritime photograph, 19th-20th century architecture, free to use, no copyright restrictions.

Public domain photograph - New Jersey, United States, free to use, no copyright restrictions image - Picryl description

Date based on Detroit, Catalogue F (1899). Detroit Publishing Co. no. 011311. Gift; State Historical Society of Colorado; 1949.

Date based on Detroit, Catalogue J (1901). "Bonavista" on steam yacht. "WHJ" on jacket; "613-16" on negative. Detroit Publishing Co. no. 012514. Gift; State Historical Society of Colorado; 1949.

Date based on Detroit, Catalogue F (1899). Detroit Publishing Co. no. 011308. Gift; State Historical Society of Colorado; 1949.

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

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

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description

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

Date based on Detroit, Catalogue F (1899). Detroit Publishing Co. no. 011318. Gift; State Historical Society of Colorado; 1949.

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

Date based on Detroit, Catalogue F (1899). "Dup" on negative. Detroit Publishing Co. no. 011306. Gift; State Historical Society of Colorado; 1949.

Title from jacket. "G 2241" on negative. Detroit Publishing Co. no. 33735. Gift; State Historical Society of Colorado; 1949.

Date based on Detroit, Catalogue F (1899). Detroit Publishing Co. no. 011309. Gift; State Historical Society of Colorado; 1949.

Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description

(Source: Flickr Commons project, 2013) Title in the Detroit Publishing Co., Catalogue J foreign section, Detroit, Mich. : Detroit Publishing Company, 1905: "Windsor, Boulter's Lock, London and suburbs, England More

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

Date based on Detroit, Catalogue F (1899). Detroit Publishing Co. no. 011310. Gift; State Historical Society of Colorado; 1949.

Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.

Date based on Detroit, Catalogue F (1899). Detroit Publishing Co. no. 011307. Gift; State Historical Society of Colorado; 1949.

Detroit Publishing Co. no. 011312. Gift; State Historical Society of Colorado; 1949.

No. 20. Photograph from monthly report for July, 1891, for improving Cumberland River above Nashville, Tenn.

Photograph shows construction of the foundation for the lock at Plaquemine, Louisiana.

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

Title from jacket. "1541" on negative. Detroit Publishing Co. no. 033290. Gift; State Historical Society of Colorado; 1949.

Detroit Publishing Co. no. 070186. Gift; State Historical Society of Colorado; 1949.

Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description

Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.

Date based on Detroit, Catalogue F (1899). Canal construction began in 1881. Mounted back to back with "01992. Detroit River Front." May have been part of an album. "Detroit Photographic Co." Detroit Publishing More

76683 U.S. Copyright Office "Russell Morgan Print." Caption: The lock on the Seine. Created and "copyright 1898 by The U.S. Printing Co., Cin., U.S.A." No. 3630. Similar image on: POS - TH - 1898 .H37, no. 1 (C More

Historic Sites Public domain photograph of ship dock, harbor, free to use, no copyright restrictions image - Picryl description

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

In album prepared by Detroit Photographic Co. to use as a catalog in its office. Detroit Publishing Co., no. 53442. Gift; State Historical Society of Colorado; 1955.

Detroit Publishing Co. no. 011319. Gift; State Historical Society of Colorado; 1949.

Photograph shows men walking on fish wheel at the Cascade Locks, Columbia River, Oregon. No. 168.

Public domain photograph - historical image of Canada, free to use, no copyright restrictions image - Picryl description

Historic Sites Public domain photograph of shipyard, ship docks, harbor, port, free to use, no copyright restrictions image - Picryl description

Historic Sites Public domain photograph of shipyard, ship docks, harbor, port, free to use, no copyright restrictions image - Picryl description

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

Detroit Publishing Co. no. 011316. Gift; State Historical Society of Colorado; 1949.

Title from jacket. "G 4554" on negative. Detroit Publishing Co. no. 036257. Gift; State Historical Society of Colorado; 1949.

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

Picryl description: Public domain image of a victorian era building, victorian house, 19th century architecture, free to use, no copyright restrictions.

Title from jacket. No Detroit Publishing Co. no. Gift; State Historical Society of Colorado; 1949.

Title from jacket. Date based on Detroit, Catalogue P (1906). "WHJ-849" on transparency. Detroit Publishing Co. no. 016151. Gift; State Historical Society of Colorado; 1949.

In album prepared by Detroit Photographic Co. to use as a catalog in its office. Detroit Publishing Co., no. 51216. Gift; State Historical Society of Colorado; 1955.

Title from jacket. Possibly at Saut Sainte Marie Canal, Michigan. No Detroit Publishing Co. no. Gift; State Historical Society of Colorado; 1949.

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

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

Public domain photograph - New York, United States, free to use, no copyright restrictions image - Picryl description

Title from jacket. Detroit Publishing Co. no. 033738. Gift; State Historical Society of Colorado; 1949.

Possibly during Sault Sainte Marie Canal celebration. Identified as the ferry "Fortune", (8/1995, W. Worden) "3078" on negative. Detroit Publishing Co. no. 033942. Gift; State Historical Society of Colorado; 1949.

"G 4559" on negative. Detroit Publishing Co. no. 070573. Gift; State Historical Society of Colorado; 1949.

Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.

Picryl description: Public domain image of a ship in the sea, harbor, maritime, free to use, no copyright restrictions.

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

Public domain photograph of park, trees, outdoors, free to use, no copyright restrictions image - Picryl description

Historic Sites Public domain photograph of shipyard, ship dock, harbor, free to use, no copyright restrictions image - Picryl description

Title devised by cataloger. Detroit Publishing Co. no. 6967. Gift; State Historical Society of Colorado; 1949.

Originally part of a two-part panorama; left section not in collection; see negative D4-15565 B for copy photographof entire panorama. "G 4564," "R dup" on negative. Detroit Publishing Co. no. 015565. Gift; Sta More

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

"G 5418" on negative. Detroit Publishing Co. no. 071495. Gift; State Historical Society of Colorado; 1949.

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

Title from jacket. "G 4565" on negative. Detroit Publishing Co. no. 036260. Gift; State Historical Society of Colorado; 1949.

Public domain photograph - panorama, United States, free to use, no copyright restrictions image - Picryl description

In album prepared by Detroit Photographic Co. to use as a catalog in its office. Detroit Publishing Co., no. 51238. Gift; State Historical Society of Colorado; 1955.

Title from jacket. G 4566" on negative. Boat at left: Mariska of Duluth, a steam screw. Boat at right a whaleback barge, with part of name visible "101 ... of Duluth.". Detroit Publishing Co. no. 036261. Gift; More

Title from jacket. "G 4560" on negative. Detroit Publishing Co. no. 070579. Gift; State Historical Society of Colorado; 1949.

Picryl description: Public domain image of a ship in the sea, harbor, maritime, free to use, no copyright restrictions.

In album prepared by Detroit Photographic Co. to use as a catalog in its office. Detroit Publishing Co., no. 51237. Gift; State Historical Society of Colorado; 1955.

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

Title from jacket. "37" on negative. No Detroit Publishing Co. no. Gift; State Historical Society of Colorado; 1949.

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description

Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description

Title from jacket. Date based on Detroit, Catalogue P (1906). "WHJ-848" on transparency. Detroit Publishing Co. no. 016150. Gift; State Historical Society of Colorado; 1949.

Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.

Title from jacket. "1550" on negative. Detroit Publishing Co. no. 033294. Gift; State Historical Society of Colorado; 1949.

Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description

Photograph shows the Canadian parliament building complex in Ottawa, most of which was destroyed by fire in 1916. The building on the far right is the Library of Parliament and the building with the red roof on More

Title from Detroit, Catalogue J Supplement (1901-1906). "WHJ 1246" on negative. Detroit Publishing Co. no. 014912. Gift; State Historical Society of Colorado; 1949.

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Title from jacket. "Howard L. Shaw" on boat in foreground; "Thomas Adams" on boat in background. "G 2240" on negative. Detroit Publishing Co. no. 033737. Gift; State Historical Society of Colorado; 1949.