The Welsh Slate Company, whose quarries are at Festiniog, in Merionethshire, sent several slabs averaging 14 feet by 7 or 8 feet. All the slate from this neighbourhood possesses the remarkable quality of splitting with great facility, and with wonderful... A Treatise on the Building and Ornamental Stones of Great Britain and ... - Page 293 by Edward Hull - 1872 - 333 pages Full view -
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