'Silex quartzum' James Sowerby
Product images of 'Silex quartzum'
Two specimens of Hertfordshire puddingstone, here termed 'Quartzose pudding stone'. Plate 92 from British mineralogy: or coloured figures intended to elucidate the mineralogy of Great Britain, by James Sowerby, volume 1 (London, R.Taylor & Co., 1804). The accompanying text states that "This is not rare, in gravel-pits, in many counties of England; Hertfordshire is however most famous for producing it...Pudding stone is little known abroad, and is therefore esteemed in Germany, and other parts of the continent, as an English rarity." The plate is inscribed: "Septr. 1 1804. Published by Jas. Sowerby, London.
Original: engraving. 1804
- Image reference: RS-10552
- The Royal Society
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