File:Pestle (plan) (FindID 488863).jpg
Original file (1,280 × 960 pixels, file size: 493 KB, MIME type: image/jpeg)
Captions
Summary
[edit]pestle (plan) | |||
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Photographer |
Royal Institution of Cornwall, Anna Tyacke, 2012-02-18 15:52:09 |
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Title |
pestle (plan) |
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Description |
English: Large volcanic greenstone pebble, circular in plan and in profile and ovate in section. The upper face and base have weathered to a smooth surface and one side appears ground to smooth, flatter edge, suggesting some pestle use around part of the perimeter. Such pieces do turn up on domestic sites but not in any quantity compared to mullers and rubbers. On these objects the waterworn cobble surfaces are all fresh and unweathered, appropriate for selection from a beach during the Neolithic. The beach selection would ensure hard enduring pieces. It is quite possible that the wear on these objects has been caused by grinding pieces in the axe manufacture process (Henrietta Quinnell, Clodgy Moor stonework, forthcoming).
Examples of pestles have been found on Neolithic and Bronze Age sites in Cornwall, such as the Beaker site at Boscaswell, St Just, illustrated in Jones & Quinnell (2008) on page 47, Fig.11, No.S2 and the Later Bronze Age site at Callestick, Perranzabuloe, illustrated in Jones (2002) on page 32, Fig.13, No.87. |
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Depicted place | (County of findspot) Cornwall | ||
Date | between 4500 BC and 700 BC | ||
Accession number |
FindID: 488863 Old ref: CORN-AE8D96 Filename: 570.9plan.jpg |
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Credit line |
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Source |
https://finds.org.uk/database/ajax/download/id/370731 Catalog: https://finds.org.uk/database/images/image/id/370731/recordtype/artefacts archive copy at the Wayback Machine Artefact: https://finds.org.uk/database/artefacts/record/id/488863 |
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Permission (Reusing this file) |
Attribution-ShareAlike License | ||
Other versions |
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Licensing
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:12, 24 January 2017 | 1,280 × 960 (493 KB) | Fæ (talk | contribs) | Portable Antiquities Scheme, CORN, FindID: 488863, neolithic, page 515, batch count 1915 |
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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 | 10/1,531 sec (0.0065316786414108) |
F-number | f/4.4 |
ISO speed rating | 100 |
Date and time of data generation | 17:03, 16 February 2012 |
Lens focal length | 12.2 mm |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | E4500v1.2 |
File change date and time | 17:03, 16 February 2012 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 17:03, 16 February 2012 |
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 |