Image:TrecynonIronBridge.jpg

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Description

Built around 1811. OS grid reference SN997037

This cast iron bridge across the River Cynon between Trecynon and Robertstown is one of the oldest surviving "railway" bridges in the world. The bridge was built by the Aberdare Canal Company to carry the tramway that runs from Hirwaun to the canal head at Cwmbach.

The Engineering Times Online describes it thus : "Cast iron brackets are built into the stone abutments, and from these spring the four, trussed cast-iron beams which support the deck. These arched beams are only 3in thick, and rise from a depth of more than 5ft at the abutments to 1ft at the bridge's centre. The deck is 36ft 8in long and made up of cast iron plates, each 9ft 11in wide. The tramway is closed and the bridge is now used by pedestrians." Published by Aberdare Blog
Source

Aberdare Blog http://www.aberdareblog.co.uk/
Date
Author

Darren Wyn Rees
Permission
(Reusing this image)
Public domain I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.

In case this is not legally possible:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeDimensionsUserComment
current17:11, 17 August 20072,304×1,728 (1.34 MB)Darren Wyn Rees ({{Information |Description= |Source=Aberdare Blog http://www.aberdareblog.co.uk/ |Date= |Author=Darren Wyn Rees |Permission={{PD-self}} |other_versions= }} )
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Metadata

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Camera manufacturer EASTMAN KODAK COMPANY
Camera model KODAK DX6490 ZOOM DIGITAL CAMERA
Exposure time 1/125 sec (0.008)
F-number f/2.8
Date and time of data generation 15:35, 20 February 2006
Lens focal length 6.3 mm
Orientation Normal
Horizontal resolution 230 dpi
Vertical resolution 230 dpi
Y and C positioning 1
Exposure Program Normal program
Exif version 2.2
Date and time of digitizing 15:35, 20 February 2006
Shutter speed 7
Aperture 3
Exposure bias 0
Maximum land aperture 3
Metering mode Pattern
Light source Unknown
Flash 16
Color space sRGB
Exposure index 80
Sensing method One-chip color area sensor
Custom image processing Normal process
Exposure mode Auto exposure
White balance Auto white balance
Digital zoom ratio 0
Focal length in 35 mm film 38
Scene capture type Standard
Contrast Normal
Saturation Normal
Sharpness Normal
Subject distance range Unknown