Career
He became the inspector of hand firearms production under the Committee of Safety. Subsequently he was appointed the first Director of the Musée d'Artillerie in the cloister of the Church of Saint Thomas d'Asquin, Paris. In the early 1780s Regnier was encouraged by Philippe Guéneau de Montbeillard and Georges-Louis Leclerc, comte de Buffon to begin the design a device that could compare muscular strength.
He was further encouraged by the physician Charles-Augustin de Coulomb and the result was made known to the public in 1798 and became known as was one of a series of innovations related to public safety and rifle safety and adopting recent innovations to public need. A list of his innovations was published in around 1801.
