File:Roman bead (plan) (FindID 273278).jpg
Original file (1,280 × 960 pixels, file size: 344 KB, MIME type: image/jpeg)
Captions
Summary
[edit]Roman bead (plan) | |||
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Photographer |
Royal Institution of Cornwall, Anna Tyacke, 2009-10-25 16:07:29 |
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Title |
Roman bead (plan) |
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Description |
English: Glass bead, exposed to the sun and weather so that it is now light blue, but was probably a cobalt blue colour originally. The bead is circular in plan and section and spherical in profile, with a narrowing central perforation and a lip on the edge of the hole, which shows that the molten glass would have been twisted and rolled around a central rod during its manufacture.
Crummy (1983) illustrates a similar short oblate bead on page 33, Fig.34, No.617, which is dated from the 3rd to the 4th century AD. Roman beads in stratified local contexts are rare, but examples of blue glass beads have been found at Trethurgy, St. Austell and are illustrated in Quinnell (2004) on page 92, Fig.52, Nos.19-21, which are dated to the 4th-6th centuries AD. Jones (2008) illustrates a similarly pitted blue glass bead from the excavation from Stannon Down, St. Breward, on page 91, Plate 4, which is dated to the post-Roman period. |
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Depicted place | (County of findspot) Cornwall | ||
Date | between 300 and 600 | ||
Accession number |
FindID: 273278 Old ref: CORN-1967B3 Filename: October09finds 018.jpg |
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Credit line |
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Source |
https://finds.org.uk/database/ajax/download/id/225861 Catalog: https://finds.org.uk/database/images/image/id/225861 Artefact: https://finds.org.uk/database/artefacts/record/id/273278 |
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Permission (Reusing this file) |
Attribution-ShareAlike License |
Licensing
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:18, 22 January 2017 | 1,280 × 960 (344 KB) | Fæ (talk | contribs) | Portable Antiquities Scheme, CORN, FindID: 273278, roman, page 194, batch count 3438 |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON |
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Camera model | E4500 |
Exposure time | 5/133 sec (0.037593984962406) |
F-number | f/4.5 |
ISO speed rating | 100 |
Date and time of data generation | 14:32, 24 October 2009 |
Lens focal length | 26.2 mm |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | E4500v1.2 |
File change date and time | 14:32, 24 October 2009 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 14:32, 24 October 2009 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 2.8 APEX (f/2.64) |
Metering mode | Center weighted average |
Light source | Tungsten (incandescent light) |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |