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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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| 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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Metadata
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| Camera manufacturer | Canon |
|---|---|
| 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 |
