[Jean-Charles PELTIER (1785-1845) physicist]. 2 P.S., 1839-1840; 1page large fol. each printed, 1st with vignettes and seal under paper, red wax seal on 2nd; Latin and Italian. Diplomas from Academies. - Turin January 6, 1839, on Regia Taurinensis Academia letterhead: diploma from the Turin Academy awarded to "Peltier, Physicus Scientissimum, etc.", as corresponding member... - Pesaro May 27, 1840, on Accademia Agraria letterhead: diploma from the Pesaro Academy of Agriculture awarded to Peltier as corresponding member.