Essai sur Differentes Especes d'Air-fixe ou de Gas, pour Servir de suite & de Supplement aux Elemens de Physique du même Auteur.
by SIGAUD de LAFOND, Joseph-Aignan (1730-1810).
Paris:: Chez P. Fr. Gueffier, 1785., 1785. 8vo. xxviii, 499,  pp. 8 engraved plates, index. Contemporary mottled calf, gilt decorated spine, leather gilt-stamped spine label, raised bands; extremities worn. Bookplate of Franz Sondheimer. Very good. New edition, revised and augmented (first edition was 1779). "In the 1770's Sigaud collaborated with [Pierre] Macquer in investigating the aeriform fluids or 'airs,' newly discovered by Priestley. In 1776 they burned a quantity of the so-called 'inflammable air' (hydrogen), and by holding a porcelain saucer over the flame they managed to collect a few drops of a colorless liquid that both researchers agreed was water. The experiment is often cited as an anticipation of some of the work later done by Cavendish, Lavoisier, and Monge on the synthesis of water, but neither Macquer nor Sigaud de Lafond fully recognized the significance of their observation." – DSB XII, p. 427. PROVENANCE: Franz Sondheimer (1926-1981) was a German-born British chemist and Fellow of the Royal Society. Her received the Israel Prize in exact sciences in 1960 and the Corday-Morgan medal and Prize in 1961. REFERENCES: Cole 1213; Duveen p.550; Hoefer XLIII, 966; Neville, II, 475; Partington, III, p.105-106; Poggendorff II, 927; Querard IX, 135.
(Inventory #: SW1653)
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