RINMAN, Sven.

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Two engraved titles & two folding engraved plates. 5 p.l. (incl. engraved title), [13]-62, 471 pp.;1 p.l. (incl. engraved title), 473-1083, [1] pp. Two vols. in one. Large 4to, cont. half sheep & speckled boards (sides rather rubbed, last few leaves of the second vol. with an unimportant marginal dampstain), flat spine gilt, contrasting vellum lettering pieces on spine. Stockholm: P. Hetzelberg, 1782. First edition of Rinman's most important work on the manufacture of iron and steel, containing accounts of a large number of original experiments. It also deals in Vol. I with the making of magnets and compass needles. Rinman (1720-92), "devoted his working life to the metal industries. As director of mining and metallurgy and as adviser to proprietors and managers of mines and iron works all over Sweden...Rinman made substantial theoretical and practical contributions to the improvement of iron and steel production methods, especially of charcoal blast furnaces. His works, both published and unpublished, are highly esteemed sources for knowledge of iron- and steelmaking during the eighteenth century, both in Sweden and in the countries he visited...A first-rate inventor and a skilled scientist, he is known as the 'father of the Swedish iron industry'."­D.S.B., XI, p. 463. The present book contains an interesting chapter in which the author develops his theory of the increase in weight of metals in calcination. "Rinman reported that iron on calcination may increase in weight by over 40 per cent, although there is a limit...Rinman concluded that his experiments proved that phlogiston is 10 times lighter than air."­Partington, III, p. 614­(& see p. 178). A very good copy. Rare.

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• продавец: Jonathan A. Hill, Bookseller, Inc. (USA)