File:North Rvr Tunnel - N tube shield 1905.jpg
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Summary
editDescriptionNorth Rvr Tunnel - N tube shield 1905.jpg |
English: Rear view of the hydraulic tunnel shield installed during construction in the north tube of the North River Tunnels under the Hudson River. The construction crew is installing the first iron ring for the lining of the tunnel. The North River Tunnel project was part of the larger New York Tunnel Extension project of the Pennsylvania Railroad. |
Date | |
Source |
B.H.M. Hewett, W.L. Brown (1910). "The New York Tunnel Extension of the Pennsylvania Railroad. The North River Tunnels." Paper No. 1155. Transactions of the American Society of Civil Engineers. Vol. LXVIII, September 1910. p. 236, plate xxxviii. |
Author | Photographer not identified. |
Licensing
editPublic domainPublic domainfalsefalse |
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:09, 27 June 2013 | 976 × 1,212 (577 KB) | Caseyjonz (talk | contribs) | == {{int:filedesc}} == {{Information |Description={{en|Rear view of the hydraulic tunnel shield installed during construction in the north tube of the {{w|North River Tunnels}} under the Hudson River. The construction crew is installing the first iron ... |
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Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop Elements 7.0 Windows |
File change date and time | 14:20, 26 June 2013 |
Color space | Uncalibrated |
Image width | 976 px |
Image height | 1,212 px |
Date and time of digitizing | 10:20, 26 June 2013 |
Date metadata was last modified | 10:20, 26 June 2013 |