Chaptal, Jean-Antoine-Claude, comte de Chanteloup, 1756-1832.

Letters, receipts, and other documents addressed to or received from officials in the Régie des poudres et salpêtres in Paris and the departments and districts of France, and saltpeter manufacturers, chiefly relating to gunpowder production. Other topics covered include Parisian politics, the state of the French economy, the shift to paper currency, and dissatisfaction among the workers.