(Paris, Chez Fuchs, Guillaume, An VI (1797)). Without wrappers. In: ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."" , tome 23, Cahier 1. Pp. 1-112 (entire issue offered). Say's paper: pp. 1-27 a. 1 folded plate depicting the stereometer.
Reference : 44128
First appearance of Say's description of his invention of the Gas Pychnometer, which he himself called Stereometer. It is a simple apparatus for determining the density and volume of solids without water. - Darmstaedter 1797 Say.
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