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P000022

Uploaded on:
2009-02-13 05:19:45.0
Type:
Digital Asset
File Size:
370.46 KB
Dimensions:
724 x 1000 pixels
4110 views 6 downloads
P number: P000022
Old photograph number: C01555
Caption: Stonegunn Quarry, 4.8 km. south-east of Thurso. Caithness. Method of levering the flagstones.
Description: Stonegunn Quarry, 4.8 km. south-east of Thurso. Caithness. Method of levering the flagstones. The horizontal bed of rock is first split using chisels hammered in with a sledgehammer. It is then levered off the bedding plane with a crowbar. A quarryman in dress of the time (c.1910) is clearly seen. The rock is Devonian (Old Red Sandstone) Caithness Flagstones. After splitting each flag is taken away by means of crane and is subjected to preliminary squaring.
Date taken: Sat Jan 01 00:00:00 GMT 1910
Photographer: Lunn, R.
Copyright statement: Crown
Acknowledgment: This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network
X longitude/easting: 315500
Y latitude/northing: 965500
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Portrait
Size: 370.46 KB; 724 x 1000 pixels; 61 x 85 mm (print at 300 DPI); 192 x 265 mm (screen at 96 DPI);
Average Rating: Not yet rated
Categories: Best of BGS Images/ Images from the archives, Geoscience subjects/ Economic geology/ Building stones, sandstone  

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