File: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.
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current | 20:44, 30 September 2005 | 1,800 × 1,347 (559 KB) | Arpingstone (talk | contribs) | Tower Bridge machinery |
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Metadata
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Image title | OLYMPUS DIGITAL CAMERA |
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Camera manufacturer | OLYMPUS CORPORATION |
Camera model | C750UZ |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/2.8 |
ISO speed rating | 164 |
Date and time of data generation | 15:02, 7 June 2005 |
Lens focal length | 6.3 mm |
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 | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 15:02, 7 June 2005 |
Image compression mode | 2 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, auto mode |
Color 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 |