A Course of Lectures, Upon the Materia Medica, Antient and Modern. Read in the Physick Schools at Cambridge, ... By R. Bradley, ...

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Cha. Davis, 1730 - 170 pagine
 

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Pagina 17 - Vigani may have been a little more credulous in matters outside his laboratory experience and more willing to speculate. Thus Bradley says : ' . . . . Vigani endeavours to prove Gold to be a Vegetable in the Earth, and that like a Tree it has a Trunk, Root, Boughs, &c. In his own words I give it, viz Whether it is not like a Coal-Mine, which begins, like a little Plant, to spread itself, and by Degrees increasing and extends itself into Branches ; so that, as some of the Colliers have informed him,...

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