Enquiries into the nature of a new mineral acid, discovered in Sweden; and of the stone from which it is obtained. To which is annexed, An idea of an artificial arrangement, and of a natural method of fossils; with examples in the crystals, spars, and earths ... / [John Hill].

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Enquiries into the nature of a new mineral acid, discovered in Sweden; and of the stone from which it is obtained. To which is annexed, An idea of an artificial arrangement, and of a natural method of fossils; with examples in the crystals, spars, and earths ... / [John Hill]. Public Domain Mark. Source: Wellcome Collection.