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2019-11-08 05:34:04
SIGAUD de LAFOND Joseph-Aignan 1730-1810.
Essai sur Differentes Especes dAir-fixe ou de Gas pour Servir de suite de Supplement aux Elemens de Physique du mme Auteur.
Chez P. Fr. Gueffier 1785. 8vo. xxviii 499 1 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. 34In the 1770s 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.34 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. First Edition.
Bookseller: Jeff Weber Rare Books [CARLSBAD, California, US]

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