(Berlin, Haude et Spener, 1770). 4to. No wrappers. As issued in ""Memoires de l'Academie Royale des Sciences et Belles-Lettres"" Tome XXIV, pp. 1-11.
Reference : 42841
First printing of a paper in which Marggraf ""by distilling fluorspar and sulphuric acid in a glass retort, he thought ..that he had obtained a 'volatile earth' - actually silica, deposited by water in the receiver from the gaseous silicon fluoride.""(Partington, A History of Chemistry II, p. 728).A paper by Johann Gottlieb Gleditsch stitched together with the Marggraf-paper: ""Dissertation Physico-Oeconomique sur la Maniere utile dont on peut employer quelques unes des grande Especes de la Plante dite en Allemand Riedgras (Carex Linnaei, Gen. Plant. 482). Pp.12-41.
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