Autograph letter signed "Perrot", to "Monsieur le Conseille d'Etat Prefet du Department de la Seine"

Map-maker, geographe, geographer. (One page, folio,some creasing and soiling, mainly good, clear and complete. This is a formal document in his best hand, in which he requests the opportunity to exhibit at "l'exposition" his latest work, "une carte de la France industrielle indiquent la position de tous les lieux qui ont fournis quelques produits aux 5 expositions, la designation de ces produits . . . ." He says how far he is advanced. An important letter.