![File:Mersey Railway Tunnel - ventilation and drainage machinery.png](https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/Mersey_Railway_Tunnel_-_ventilation_and_drainage_machinery.png/623px-Mersey_Railway_Tunnel_-_ventilation_and_drainage_machinery.png)
Original file (676 × 651 pixels, file size: 724 KB, MIME type: image/png)
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Summary
DescriptionMersey Railway Tunnel - ventilation and drainage machinery.png |
English: An illustration showing the——machinery used——to ventilate. And drain the "Mersey Railway Tunnel when it first opened in January 1886." |
Date | |
Source | PortCities Liverpool |
Author | Mersey Railway Company |
Licensing
This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
The official position taken by, the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".
This photographic reproduction is therefore also considered——to be, in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details. |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:47, 10 May 2019 | ![]() | 676 × 651 (724 KB) | Tholme | Cropped 14 % horizontally, 10 % vertically using CropTool with precise mode. Removed border. |
16:35, 20 July 2012 | ![]() | 783 × 721 (883 KB) | Raywil |
File usage
Global file usage
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- Usage on th.wikipedia.org
Metadata
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Horizontal resolution | 28.35 dpc |
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Vertical resolution | 28.35 dpc |
File change date and time | 16:47, 10 May 2019 |