French chemist, mineralogist, and zoologist (1770–1847). ALS in French, signed “Al. Brongniart,” one page, 4.75 x 7, January 17, 1839. Untranslated letter to Monsieur De France, a geologist in Paris. Reverse of second integral page bears an address panel in Brongniart’s hand. In fine condition, with a bit of paper loss to second page from wax seal. RR Auction COA.
