Image:Tower.bridge.99.machinery.london.arp.jpg

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Tower Bridge machinery

One of a pair of identical horizontal stationary steam engines built by Sir W. G. Armstrong Mitchell & Company of Gateshead in 1894. Used to pump water at 750psi to the hydraulic machinery that worked the bascules of Tower Bridge.

It is a twin tandem compound engine, fitted with Meyer expansion slide valves, driving force pumps by the tail rods.

Public domain This image has been released into the public domain by its author, Arpingstone. This applies worldwide.

In some countries this may not be legally possible; if so:
Arpingstone grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified image.

Image title OLYMPUS DIGITAL CAMERA
Camera manufacturer OLYMPUS CORPORATION
Camera model C750UZ
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used v753u2-86
File change date and time 15:02, 7 June 2005
Y and C positioning 2
Exposure time 1/30 sec (0.0333333333333)
F-number f/2.8
Exposure Program Normal program
ISO speed rating 164
Exif version 2.2
Date and time of data generation 15:02, 7 June 2005
Date and time of digitizing 15:02, 7 June 2005
Image compression mode 2
Exposure bias 0
Maximum land aperture 3
Metering mode Pattern
Light source Unknown
Flash 25
Lens focal length 6.3 mm
Colour space sRGB
Custom image processing Normal process
Exposure mode Auto exposure
White Balance Auto white balance
Digital zoom ratio 0
Scene capture type Standard
Contrast Normal
Saturation Normal
Sharpness Normal
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