| Description | Includes "Carronades" [cannons]; de Loyaute’s Bombardieres Royale; Monsieur Dupeyrat’s engraving proposed as a preventative against counterfeiting Bank Notes; Act for giving greater facility in the Prosecution and Abatement of Nuisances arising from Furnaces used and the working of steam engines, (1821), and a patent of economical rarifying apparatus for improving air admitted into furnaces and forges (nd.). |