 Thanks to the apprentices of Steinmann, in 1846 Rio de Janeiro had four lithography printers.The oldest was that of Luis Aleixo Boulanger, founded on August 15, 1829, and the most important was the firm "Ludwig e Briggs," which existed between 1843 and 1877.The main competitor of Briggs was "Heaton e Rensburg" founded in 1840 (by Englishman George Mathia Heaton and the Dutchman Eduard Rensburg), whose main feature was the publication of music.