Letter, from John Monro to Joseph Martin, dated at Versailles Account of a meeting of the Accademy Royal des Sciences in Paris - mentioning Cassini's paper on the nature of comets, Geoffroy's areometer, Virignon's paper on a water watch and 'generation of the vessel' stating that a figure was enclosed (see EL/M2/8 for copy of figure); Turnfort on the analysis of mixtures Read to the Royal Society on 10 May 1699 1 May 1699