Unidentified Daguerreotypist Louis Jules Alfred Dobremer, 1840. 1/4 plate daguerreotype in original mount and frame. Legend and date in ink on reverse of mount. 8.5 x 6.5 cm (view) Officer of the Legion of Honor, squadron leader in the 8th artillery regiment and vice-president of the Sarthe Conseil Général de la Sarthe, Louis Jules Alfred Dobremer is notably the author of the historical map that accompanies La géographie ancienne du diocèse du Mans (1845).