MARAT, [Jean-Paul]. Physical researches on fire. Paris: Cl. Ant. Jombert, fils ainé, 1780. original edition, in-8; [iv], 202p., [2p. Approbation, Privilège]; 7 plates of which 6 folding. Bound in contemporary marbled calf, spine ribbed and decorated, edges red, with the bookplate of Stanislas Meunier, geologist and scientific journalist; extremities rubbed, jaws partially split, good condition inside. After several years spent in England studying medicine, Marat settled in Paris and devoted himself to scientific experiments. After several months of procrastination, the Academy of Sciences refused to give its approval to Marat's "Recherches".