LINDEN, DIEDERICK WESSEL. Three Letters on Mining and Smelting...To which is added, a Fourth Letter; Setting forth, A Discovery of an easy Method to secure Ships Bottoms from Worms. London: G. Keith, 1750. 8vo, later patterned boards; title trimmed slightly along bottom edges; some faint staining in last gathering. FIRST EDITION. [2], 96 pages. Duveen 362 (second edition). Rare.