Show ling ning MACHINE nachine steens machine I 1 vla lla cliffie says ajia ajla the flie alta of sept lith vh ch has lias for several been standing on the this hillside hill hlll saie side above broadway on montgomery street was put in operation oper ailon allon yesterday and proved itself capable the tunnel it opens ia i six sik feci feet in diameter and ami beintz a pernet perfect circle the arch is very stron strone and anti ind n afi antti what its ita length may be but little artificial support is 13 needed the tha air tube can bi bt used of 01 tiny any length and carries carrica three lil ili hendre indre I 1 p po ri a to the square inc ine inch li bringing brinin to the cutti c tuii iiii 0 g a karatas is an immense power it is calculated that thai th it in hard rock ic fb ht in the hills 8 the city the in nn will average one foot an hour it has his c 1 I twenty one feet teet since ita w 8 ilex fectea and it will be shipped for tho the in n ij to jay lay it is strictly a calif en HA d sw c covery overy and 0 0 ic o 0 of f the moat moz 4 remarkable of tha the a age me besids besida s ip plin ing the regu ee in n quartz mining it establishes a new critic pre in in science science accordia Ar Ac cordin to estimates frequently made about were expect ex pende cl I 1 m i tunnelling tun nelling during daring the year 1855 but the arsu r sul sui a were comparatively unimportant steam machines were introduced but when any di dist stanca anca anaa was wag reached the tho steam condensed denied so rapidly that it lost all power and the machinery was wai thrown aalde aside but mr steena steens invention is 13 entirely lin erent the steam boiler and engine are arc stationed t above kro gro nonn noun ronn arid aril I 1 and the tunnelling tun nelling appa rattis im influenced by nothing save the inexhaustible stream of cold atmosphere forced upon it we expect to hear very soon that thi wo wondrous improvement has wrought out millions 4 treasure from the mountains of the state nate P icho c cares ev for lore biao ak |