File:Ordnance_Survey_Drawings_-_St._Columb_Major,_Cornwall_(OSD_7).jpg
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St. Columb Major, Cornwall (OSD 7) | ||||||||||||||||||||||||
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Artist |
Dawson, Robert - Draughtsman |
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Title |
Ordnance Survey Drawings: St. Columb, Cornwall (OSD 7) |
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Object type | manuscript map | |||||||||||||||||||||||
Description |
English: .This drawing is orientated toward the south-east. On its reverse, obscured by backing material, is a triangulation diagram used to plot locations accurately. Tin and copper mines are marked, and a key to the symbols used to distinguish them is given at the bottom of the drawing.
"Harmony Cot" is marked as the birthplace of the portrait painter, John Opie (1761-1807). The inclusion of such information seems at odds with the Survey's military emphasis, but it does reflect the interests and training of the draughtsmen, many of whom were professional artists. To the north of St Columb Major lies the ancient monument known as the Nine Maidens, symbolised by a drawing of stones. A dot, annotated "point", appears in the bottom left hand corner of the map. This is probably the coastal station at Trevose Head, a base for the measurement of angles of elevation..
This image has been georeferenced.
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Language | English | |||||||||||||||||||||||
Date |
1810 date QS:P571,+1810-00-00T00:00:00Z/9 |
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Medium | Pen and ink on paper | |||||||||||||||||||||||
Dimensions | 470 × 310 mm (18.50 × 12.20 in) | |||||||||||||||||||||||
Collection |
institution QS:P195,Q23308 |
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Accession number |
Maps OSD 7 |
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Credit line | British Library | |||||||||||||||||||||||
Notes |
Scale 2 inches : 1 mile (1:31680). Please note that the British Library provides these digital files "as-is"; materials will not be rephotographed under this programme. If resupply of files is required, the requestor will be required to purchase them at the standard rate. |
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References | http://www.bl.uk/onlinegallery/onlineex/ordsurvdraw/s/002osd000000018u00005000.html (English) | |||||||||||||||||||||||
Source/Photographer |
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Permission (Reusing this file) |
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Items portrayed in this file
depicts
0.01666667354746657892 second
14
55 millimetre
image/jpeg
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:02, 18 April 2013 | 5,562 × 4,110 (3.76 MB) | Andrew Gray | {{Artwork |artist = Dawson, Robert |title = Ordnance Survey Drawings: St. Columb Major, Cornwall (OSD 7) |description = This drawing is orientated toward the south-east. On its reverse, obscured by backing material, is a triangulation diagram used... |
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Metadata
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If the file has been modified from its original state, some details may not fully reflect the modified file.
Image title |
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Camera manufacturer | Phase One |
Camera model | P65+ |
Author | 11861 |
Exposure time | 40,370/2,422,199 sec (0.016666673547467) |
F-number | f/14 |
ISO speed rating | 50 |
Date and time of data generation | 07:57, 13 January 2012 |
Lens focal length | 55 mm |
Headline | Maps OSD 7 |
Credit/Provider | The British Library |
Source | The British Library |
Short title |
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Copyright holder |
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Usage terms |
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City shown | London |
Width | 8,718 px |
Height | 6,384 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 200 dpi |
Vertical resolution | 200 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 10:00, 17 January 2012 |
Exposure Program | Manual |
Exif version | 2.2 |
Date and time of digitizing | 07:57, 13 January 2012 |
Shutter speed | 5.90689 |
APEX aperture | 7.6147 |
Exposure bias | 0 |
Light source | Other light source |
Color space | Uncalibrated |
File source | Digital still camera |
Scene type | A directly photographed image |
Image width | 5,562 px |
Image height | 4,110 px |
Serial number of camera | EJ031777 |
Lens used | 1.0 mm f/2.8 |
Date metadata was last modified | 10:00, 17 January 2012 |
Province or state shown | England |
Country shown | GBR |
Sublocation of city shown | St Pancras |
IIM version | 4 |