BGS Geoheritage – images from the collections
Showing posts with label
S.B.J. Skertchly
.
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Showing posts with label
S.B.J. Skertchly
.
Show all posts
Friday, 5 December 2014
On the manufacture of gun-flints, Memoir of the Geological Survey 1879.
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Title page of: Memoir Geological Survey. England and Wales. On the manufacture of gun-flints, the method of excavating for flint, the age...
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