4o

Of the Chads

least in hot Countreys) yet is it probablythat most of thole springs we find in Plainsor deprested places distant from Mountainin ay come along in subterraneous Channelsfrom the next Mountains, and there breakout Monsieur BlunJel related to the Part'fian Academy, what device the inhabitantsof the lower Austria , which is encompas-sed with the Mountains of St/ria, are wontto use to fill their Wells with Water ; They ,dig in the Earth to the depth of twenty or 1five and twenty feet, till they come to anargilla [clammy eartlf] then they bore a holein the midst of a stone about five or fix in-dies broad, and through it bore the argillaso deep till the Waters breaks forcibly out;which Water it’s probable comes from theneighbouring Mountains in subterraneousChannels. And Castinus observed , That inmany places of the Territory of Modena&ndBologna in Italy, they make themselves Wellsof springing Water by the like artifice. Theydig in the Earth till they come to the Water(w hich stagnates in common Wells) whichthey draw quite out. Then within this newdigged Well they make two cylindricalWalls, concentrical one to another; the spaceor interstice between them they fill andramm close with well wrought Argilla orClay , to keep out the ambient Water;

which