Image:Housesteads Central Heating.jpg
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Summary
Granary at Vercovicium. The pillars supported a raised floor to keep food dry and free from vermin (James Crow (2004), Housesteads. A Fort And Garrison on Hadrian's Wall, Stroud: Tempus, p. 56). They are not part of a hypocaust.
Date: 2007
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Date/Time | Dimensions | User | Comment | |
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current | 04:32, 2 December 2007 | 2,592×1,944 (2.83 MB) | Fryslan0109 ( Talk | contribs) | (An example of under-floor heating at Housesteads Fort Date: 2007) |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot SD800 IS |
Exposure time | 1/500 sec (0.002) |
F-number | f/3.2 |
Date and time of data generation | 14:16, 14 July 2007 |
Lens focal length | 6.142 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 14:16, 14 July 2007 |
Y and C positioning | 1 |
Exif version | 2.2 |
Date and time of digitizing | 14:16, 14 July 2007 |
Image compression mode | 5 |
Shutter speed | 8.96875 |
Aperture | 3.34375 |
Exposure bias | 0 |
Maximum land aperture | 3.34375 |
Metering mode | Pattern |
Flash | 24 |
Colour space | sRGB |
Focal plane X resolution | 11520 |
Focal plane Y resolution | 11502.958579882 |
Focal plane resolution unit | inches |
Sensing method | One-chip colour area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |