Southern air shaft above Welwyn North tunnel - geograph.org.uk - 2053397.jpg

Size of this preview: 450 × 600 pixels. Other resolutions: 180 × 240 pixels | 360 × 480 pixels | 768 × 1,024 pixels.

Original file (768 × 1,024 pixels, file size: 898 KB, MIME type: image/jpeg)

This file is from Wikimedia Commons and may be used by other projects. The description on its file description page there is shown below.

Summary

Description	English: Southern air shaft above Welwyn North tunnel
Depicts InfoField	mine shaft, Welwyn, Welwyn North Tunnel
Date	14 July 2010
Source	Geograph Britain and Ireland
Author	John Lucas
Location of creation InfoField	Welwyn (Welwyn→Welwyn Hatfield→Hertfordshire→East of England→England→United Kingdom)

Camera location	51° 50′ 06″ N, 0° 11′ 11″ W	View this and other nearby images on: OpenStreetMap	51.835006; -0.186362

Object location	51° 50′ 07″ N, 0° 11′ 11″ W	View this and other nearby images on: OpenStreetMap	51.835276; -0.186351

Licensing

This image was taken from the Geograph GB & Eire 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 John Lucas , and is licensed for reuse under the Creative Commons Attribution Share-Alike 2.0 license.

This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic licence.

Attribution:

Southern air shaft above Welwyn North tunnel by John Lucas

You are free:

to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must give appropriate credit, provide a link to the licence, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible licence as the original.

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:44, 25 May 2021		768 × 1,024 (898 KB)	wikimediacommons>GeographBot	Uploading geograph.org.uk image from https://www.geograph.org.uk/photo/2053397

File usage

There are no pages that use this file.

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitise it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	SONY
Camera model	DSC-H5
Exposure time	1/60 sec (0.016666666666667)
F Number	f/4
ISO speed rating	200
Date and time of data generation	10:31, 14 July 2010
Lens focal length	6 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop 7.0
File change date and time	09:21, 8 June 2020
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.21
Date and time of digitising	10:31, 14 July 2010
Meaning of each component	Y Cb Cr does not exist
Image compression mode	8
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Colour space	sRGB
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal
IIM version	2

File

Southern air shaft above Welwyn North tunnel - geograph.org.uk - 2053397.jpg

From Underfoot

Summary

Licensing

Captions

Items portrayed in this file

some value

14 July 2010

51°50'6.0"N, 0°11'11.0"W

51°50'7.1"N, 0°11'11.0"W

0.01666666666666666666 second

4

6 millimetre

200

image/jpeg

File history

File usage

Metadata