| 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: | 01/01/1910 |
| 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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