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Ostwig slate mine
Plattenlager
View of a chamber in the Plattenlager worked from 1917 - 1939 with a fine sample of a packwall. The main product of the Plattenlager vein were large blocks of slate. Early electric lighting was installed in this part of the mine.
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Sachtleben mine
Sicilia shaft
Headframe of the Sicilia shaft. This was the main shaft of the Sachtleben mine. Two Koepe winders were installed each for a skip and a counterweight.
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Bullhay Dale mine
Rider
The most striking feature within the top adit is the large rider that separates the adit longitudinally. This rider is composed of at least seven slickensided calcite strings. This was left in situ as it is composed of brown calcite whereas the main vein was of white calcite.