File:North Rvr Tunnels - S tube concrete forms 1907.jpg
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Summary
[edit]DescriptionNorth Rvr Tunnels - S tube concrete forms 1907.jpg |
English: Construction of the south tube of the North River Tunnels under the Hudson River. End view of portable and adjustable forms for building side bench, concrete in metal lined tunnels, arranged for putting in duct seatings and expanded metal bonds. 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. 284, plate XLIII. |
Author | Photographer not identified. |
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[edit]Public 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 | 02:39, 27 June 2013 | 1,208 × 970 (665 KB) | Caseyjonz (talk | contribs) | == {{int:filedesc}} == {{Information |Description={{en|Construction of the south tube of the {{w|North River Tunnels}} under the Hudson River. End view of portable and adjustable forms for building side bench, concrete in metal lined tunnels, arranged ... |
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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 | 14:33, 26 June 2013 |
Color space | Uncalibrated |
Image width | 1,208 px |
Image height | 970 px |
Date and time of digitizing | 10:33, 26 June 2013 |
Date metadata was last modified | 10:33, 26 June 2013 |