Louis-Saturnin BRISSOT-THIVARS (1792-1850) bookseller-publisher, then administrator. L.A.S., Paris, April 19, 1834; 2 pages in-4, letterhead Préfecture de Police, Direction de la Salubrité et de l'Éclairage (small cracks). In the aftermath of the Rue Transnonain massacre and the riots of April 1834, he prepares a report on "the general state of the lanterns attacked during the night of 13th to 14th and 14th to 15th [...] the designation of the spouts that have burned for one or more nights. Apart from this condition, an important observation remains to be made, that of the damage to a large number of lanterns returned to the store, repairable or completely ruined"...