File:Entrance to the King Edward Mine Museum with Chickens - geograph.org.uk - 529256.jpg
Entrance_to_the_King_Edward_Mine_Museum_with_Chickens_-_geograph.org.uk_-_529256.jpg (640 × 427 pixels, file size: 93 KB, MIME type: image/jpeg)
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Summary edit
DescriptionEntrance to the King Edward Mine Museum with Chickens - geograph.org.uk - 529256.jpg |
English: Entrance to the King Edward Mine Museum with Chickens Getting the tin ore to the surface was only the start of the process of producing the "black tin", an ore concentrate good enough to be smelted to produce ingots of "white tin". The problem was that the ore (cassiterite) does not occur in large pure lumps but is mixed in with other minerals in the vein. To remove this waste material involves a complicated processes of crushing and separation with the aid of water by several different types of machinery. This museum preserves the buildings and machinery which used to perform these operations. It offers a fascinating insight into an industry now vanished from Cornwall and into the means of industrial production in an age before electricity. Well worth a visit.
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Date | ||
Source | From geograph.org.uk | |
Author | Tony Atkin | |
Attribution (required by the license) InfoField | Tony Atkin / Entrance to the King Edward Mine Museum with Chickens / | |
InfoField | Tony Atkin / Entrance to the King Edward Mine Museum with Chickens |
Camera location | 50° 12′ 09.4″ N, 5° 16′ 28″ W | View this and other nearby images on: OpenStreetMap | 50.202620; -5.274500 |
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Object location | 50° 12′ 13.2″ N, 5° 16′ 31″ W | View this and other nearby images on: OpenStreetMap | 50.203670; -5.275400 |
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Licensing edit
This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Tony Atkin and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:04, 5 February 2011 | 640 × 427 (93 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Entrance to the King Edward Mine Museum with Chickens Getting the tin ore to the surface was only the start of the process of producing the "black tin", an ore concentrate good enough to be smelted |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon EOS 350D DIGITAL |
Exposure time | 1/200 sec (0.005) |
F-number | f/10 |
ISO speed rating | 200 |
Date and time of data generation | 15:00, 18 August 2007 |
Lens focal length | 41 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 15:00, 18 August 2007 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 15:00, 18 August 2007 |
APEX shutter speed | 7.6438598632812 |
APEX aperture | 6.6438598632812 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 3,954.233409611 |
Focal plane Y resolution | 3,958.7628865979 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |