Casimir Lefaucheux's Human Design Chart
4/1 Sacral GeneratorFrench gunsmith credited with the invention of one of the first efficient self-contained cartridge systems in 1836, featuring a pinfire mechanism. This followed the pioneering work of Jean Samuel Pauly in 1808-1812. The Lefaucheux cartridge had a conical bullet, a cardboard powder tube, and a copper base that incorporated a primer pellet. Lefaucheux thus proposed one of the first practical breech-loading weapons.
In 1846, the Lefaucheux system was improved upon by Benjamin Houllier, who introduced an entirely metallic cartridge of copper brass. In 1858, the Lefaucheux pistolet-revolver became the first metallic-cartridge revolver to be adopted by a national government, becoming the standard sidearm of the French Navy.
Lefaucheux died on 9 August 1852, aged 50, in Paris.
Link to Wikipedia biography
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