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Show [ 124 J III. " Where with chill frown enormous Alps alarms A thoufand realms, horizon' d in his arms ; While cloudlefs funs meridian glories ilied From ikies of G.lver round his hoary he~d, Tall rocks of ice refraa the coloured rays, 105 And Frofi fits throned amid the la1nbent blaze NYMPHS! YOUR thin forms pervade his glittering piles, His roofs of chryfial, and his glaffy ailes ; Where in cold caves imprifoned Naiads Deep, Or chain' d on moffy couches wake and weep ; Where round dark crag.s indignant W atcrs bend Through rifted ice, in ivory· veins defcend, 110 Seek through unfathom' d fnows their devious track, 1 r 5 Heave the vafl: fpars, the ribbed granites crack, Where round dark crags. I. 113. See additional notes, No. XXXII. Heave the vafljpars . L 116. Water in defcemling down elented fituations if the outlet for it below is not fufficient for its emiilion aets with a force equal to the height ~f the. column, ~sis fcen in an experimental machine called the philofophical bellows, m wh1ch a few p1nts of water are made to raife many hundred pounds. To this caufe is to be afcribed many large promontories of ice being occafionally thrown down from the glaciers ; roc~s have likewife been thrown from the ftdes of mountains by the fatne. [ 125 J Rulli into day, in foan1y torrents iliine, And fwell the imperial Danube or the Rhine.- -Or feed the tnurrnuring TrBER, as he laves His realms inglorious with diminiili.' d waves, Hears his lorn Forum found with Eunuch-firains, Sees dancing Daves infult his martial plains ; 120 caufe, and large portions of earth have been removed many hundred yards from their fituations at the foot of mountains. On in fpeetingthe locomotion of about thirty acres of earth with a fmall houfe near Bilder's Bridge in Shropfhire, about twenty years ago, from the foot of a mountain towards the river, I well remember it bore all the marks of having been thus li fted up, pufhcd away, and as it were crumpled into ridges, by a column of water contained in the mountain. . From water being thus confined in high columns between the ltrata of mountainous countries it has often happened, when wells or perforations bave been made into the earth, that fprings have arifen much above the furfacc of the new well. When the new bridge was building at Dublin, Mr. G. Semple found a fpring in the bed of the riv·er where he meant to lay the foundation of a pierre, whi h, by fi xing iron pipes into it, he raifed many feet. Treatife on Building in Water, by G. Semple. From having obferved a valley north-weft of St. Alkmond's well near Derby, at the head of ·which that fpring of water once probably exifl:cd, and by its current formed the valley, (but which in after times found its way out in its prefent fituation,) I fufpeet that St. Alkmond .... s well might by building round it be raifed high enough to fnpply many fl:reets in Derby with fpring-water which are now only fupplied with river-water. Sec an account of an artificial fpring of water, Phil. Tranf. Vol. LXXV. p. 1. In making a well at Sheernefs the water rofc 300 feet above its fource in the well. Phil. TmnL Vol. LXXIV. And at Hartford in ConneCticut there is a well which was dug fcveuty feet dec;1 before w:1ter was fonnd, then in boring an auger-hole through a rock the water roG· fo faft as to make it dillicult to keep it dry by pumps till they could blow the hole larger by gunpowder, whi ch was no fooner accomplilhed than it fill cJ and run over, anJ has been a brook for near a century. Travels through Ame-rica . Lund. 1789. Lane. |