with notes by the Translator, containing topographica; descriptions of the Spanish possessions in South America, from the Last and Best Authorities.First English edition. 2 folding maps (one slightly torn). 12mo. Very good contemporary half roan. xii, 287pp. London, 1806.
Helms was a mining expert employed by the Spanish to introduce up to date chemical techniques for the more efficient extraction of gold and silver from their respective ores. His is a simple practical man’s narrative, and his account of the corruption and mal-administration of the mines is most illuminating. Sabin, 31265.
