M. AMBROISE FIRMIN DIDOT, “Essai sur la Typographie” / Extrait du tome XXVI de l’Encyclopedie moderne, Typographie de Firmin Didot Freres, 1851. In 8vo, p. 364 (from 558 to 922), with 4 plates at the end. Handwritten dedication of the author on the blank leaf. Full Morocco binding, gilt title on spine. Slight spotting, otherwise clean and tight. Uncommon and Very Good copy.