3 Engravings: Crystals and mining machinery. French Journal des Mines.

3 Engravings: Crystals and mining machinery. French Journal des Mines.

Paris: I'Imprimerie de Bossange, 1810. Three fine copper engraved plates from a French mining journal, extracted and bound together. Vol. 28, Plates 1 - 3 from 'Journal Des Mines, ou Recueil De Memoires Sur L'Exploitation Des Mines..'

The plates, some folding, include: the theory of crystallization; pistons in pumps; and equipment for measuring the electrical capacity of minerals. Very good overall. Item #23413

Price: $30.00

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