Author: Lock, Warnford Charles G.:
Title: Practical gold-mining: a comprehensive treatise on the origin and occurrence of gold-bearing gravels rocks and ores and the methods by which the gold is extracted. With 8 Plates and 271 Engravings in the Text.
Description: London, E. & F. N. Spon, 1889. first Edition XVI, 788 S. 4°, Linen Abbildungen, Rücken leicht rissig, Kanten berieben, Einband fleckig und unschön angeschmutzt, sonst guter Zustand - Illustrations, spine slightly cracked, edges rubbed, cover stained and unsightly soiled, otherwise good condition

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