▁In ▁ 1 7 7 5 ▁he ▁was ▁made ▁one ▁of ▁four ▁commission ers ▁of ▁gun pow der ▁appointed ▁to ▁replace ▁a ▁private ▁company , ▁similar ▁to ▁the ▁F erme ▁Gén éra le , ▁which ▁had ▁proved ▁uns atisf actory ▁in ▁supp lying ▁France ▁with ▁its ▁m un itions ▁requirements . ▁As ▁a ▁result ▁of ▁his ▁efforts , ▁both ▁the ▁quantity ▁and ▁quality ▁of ▁French ▁gun pow der ▁greatly ▁improved , ▁and ▁it ▁became ▁a ▁source ▁of ▁re venue ▁for ▁the ▁government . ▁His ▁appointment ▁to ▁the ▁Gun pow der ▁Commission ▁brought ▁one ▁great ▁benefit ▁to ▁Lav ois ier ' s ▁scientific ▁career ▁as ▁well . ▁As ▁a ▁commission er , ▁he ▁enjoyed ▁both ▁a ▁house ▁and ▁a ▁labor atory ▁in ▁the ▁Royal ▁Ar sen al . ▁Here ▁he ▁lived ▁and ▁worked ▁between ▁ 1 7 7 5 ▁and ▁ 1 7 9 2 . ▁ ▁Lav ois ier ▁was ▁a ▁form ative ▁influence ▁in ▁the ▁formation ▁of ▁the ▁Du ▁Pont ▁gun pow der ▁business ▁because ▁he ▁trained ▁É le uth ère ▁Ir én ée ▁du ▁Pont , ▁its ▁founder , ▁on ▁gun pow der - making ▁in ▁France ; ▁the ▁latter ▁said ▁that ▁the ▁Du ▁Pont ▁gun pow der ▁mill s ▁" w ould ▁never ▁have ▁been ▁started ▁but ▁for ▁his ▁kind ness ▁to ▁me ." ▁ ▁During ▁the ▁Revolution ▁In ▁June ▁ 1 7 9 1 , ▁Lav ois ier ▁made ▁a ▁loan ▁of ▁ 7 1 , 0 0 0 ▁livres ▁to ▁Pierre ▁Samuel ▁du ▁Pont ▁de ▁Nem ours ▁to