File:East river tunnel bulkhead.jpg
East_river_tunnel_bulkhead.jpg (586 × 450 pixels, file size: 84 KB, MIME type: image/jpeg)
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Summary
[edit]DescriptionEast river tunnel bulkhead.jpg |
English: Construction of the East River Tunnels, 1909. Concrete bulkhead, which was set every 1000 ft during construction of the tunnel. At the bottom, there are two air locks for the passage of men and material, at the top, there is an emergency air lock. Deutsch: Bau der East River-Tunnel, 1909. Betonschottwand, wie sie während dem Bau der Tunnel alle 300 m gesetzt wurde. Unten befinden sich zwei Luftschleusen für den Durchgang von Arbeiter und Material, oben eine Notfall-Schleuse. |
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Source | Construction of the East River Tunnels, 1909. Image from Japp, Henry. The New York Tunnel Extension of the Pennsylvania Railroad: Contractors' Plant for East River Tunnels. Paper No. 1160. Proceedings of the American Society of Civil Engineers. vol. 69, plate 9. (October 1910). archive.org | |||
Author | Unknown photographer | |||
Permission (Reusing this file) |
This image comes from the "Full View Books" section of the Google books archives and is also available on archive.org. This is an image that has come from a book or document for which the American copyright has expired and this image is in the public domain in the United States and possibly other countries. | |||
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Licensing
[edit]Public domainPublic domainfalsefalse |
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. | |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Original upload log
[edit]Transferred from en.wikipedia to Commons by Jay8g using CommonsHelper.
- 2010-09-03 18:23 Gwythoff 455×770× (56342 bytes) Construction of the East River Tunnels, 1909. Image from Japp, Henry. "The New York Tunnel Extension of the Pennsylvania Railroad: Contractors' Plant for East River Tunnels." Proceedings of the American Society of Civil Engineers. vol. 35, no. 9. (N
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current | 04:40, 10 March 2020 | 586 × 450 (84 KB) | Pechristener (talk | contribs) | File:East river tunnel.jpg cropped 5 % horizontally, 56 % vertically using CropTool with precise mode. |
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