66 The Caufes and Cure ■ g£ Sal. Nltri Partes iij. SaL Tart art P. ij. Sul- phur's P. j optirne mifceantur in Mortarlo^ farHm tcpefacloj & fervetur ad ujuum vafe bene obturato. THIS is order'd in 2l warm JMortar, and to be kept clofe, becaufe the Salt of Tartar is ax)t to imbibe a Moifture from the Air. which hinders its Exploiion. A Drachm or two. put in as clofe a Heap as poilible upon an Iron Plate over any Fire, will in a little Time go off with a Report and ConcufHon beyond that ol* any Gun whatfoever ; fo that in a calm Seafbii, and an infe£fced 4ir, great Ser- vices may undoubtedly be had from its fre- quent Practice, YET befides the Helps for this End from common Diet, and Way of Living, Aiiiftarr ces may alio be had from Medicinal Prefer- vatives, fuch as thofe commonly termed An". tldotesy confifdng of fpicy volatile Particles^ which afford a natural Pabulum to the animal Spirits, and by carrying into the whole Habit a fine fubtle Oil, the better fecure themagainfi: thofe Contagious Spicula which are hi Readi- neCs to mix with them ; and for this Purpole^ we are furnifhed with a moft elegant and ufeful Medicine, fmce many Authors of Note have
