found: Schlüter, C.A. De la fonte des mines, des fonderies, &c., 1750:t.p. (M. Hellot, de l'Académie royale des sciences, & de la Societé royale de Londres)
found: L'art de la teinture des laines, et des étoffes de laine en grand et petit teint ..., 1750 :title page (M. Hellot, de l'Académie royale des sciences, & de la Societé royale de Londres)
found: DBF(Hellot, Jean; b. 11/20/1685; d. 2/15/1766)
found: BIbliotheque nationale de France online authorities, viewed Sept. 15, 2016(heading: Hellot, Jean, cmist and engineer, born November 20, 1685; died February 15, 1766; he was a member of Académie royale des sciences and the Royal Society of Great Britain)
