8 Engravings: Crystals, mining machinery & geological formations. French Journal des Mines.

8 Engravings: Crystals, mining machinery & geological formations. French Journal des Mines.

Paris: I'Imprimerie de Bossange, 1807. Eight fine copper engraved plates from a French mining journal, extracted and bound together. Vol. 21, Plates 1 - 4 & Vol. 22, Plates 5 - 8, from 'Journal Des Mines, ou Recueil De Memoires Sur L'Exploitation Des Mines..'

The plates, some folding, include: diagram of hydraulic machine; furnace for refining lead; diagram of disposition of bituminous coal at Durbury; diagram of furnace; diagram of equipment for measuring the flexibility of wire; salt extraction equipment at Moutiers; and equipment for measuring the hauling capacity of horses. Very good overall. Item #23411

Price: $65.00

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