POISSON SIMEON DENIS: (1781-1840) French mathematician and physicist. Manuscript D.S., Poisson, one page, oblong 8vo, n.p., n.d. (January 1830), in French. The document states, in full, ‘J'ai recu de Monsieur Joly (?) mon traitement du mois de decembre dernier le 1er Janvier 1830’ (Translation: ‘I received my salary for last December from Mr. Joly (?) on 1^st January 1830’). An ink annotation indicates that a payment of 316 francs was received. Some light, minimal age wear, largely to the edges, VG