Show KARNS TUNNELING MACHINE ogden state 31 journal our nal J R belcher president of the utah karns tunneling machine with headquarters in salt lake city is in ogden today a guest of the reed hotel mr belcher is in the city looking after some tunnel contracts and expects to get some business while here although he does not care to give out the details of the story just yet he is in a fair way to secure feet of government irrigation work soon and about in mining tunnel from a private individual in this state and also has some prospects in the alta mining district near salt lake city the james peak tunnel on the moffat road six miles in length will be driven by the machine which is controlled by therom the company of which mr belcher is the head this machine is a wonderful invention it is the result of the genius of jack karns of boulder colorado and consists of a round wheel mounted on ball bearings encased in gun metal and furnished shed with chisel points set on its face in forty five sets this wheel is driven at the face of the tunnel at t the rate of strokes per minute the stroke being eight inches compressed air is the motive power the result of this is to chip out a hole anywhere up to eighteen feet feet in diameter the machine acts on the same principle as a drill and the product I 1 is flushed from the face by a one inch stream under pressure and taken care of by an automatic which conveys the stuff away in boulder rock the hardest in the west the machine has made as high as sixty feet a day it works equally well in hard or soft rock and is certainly a marvel it is going to revolutionize tunnel work as is evidenced by the action of the moffat people who changed their plans and started a tunnel much lower down the mountain than would otherwise have been the case after driving a tunnel eighteen feet in diameter a six foot bench will be taken out leaving as the finished bore a perfectly arched passage in a tunnel like this the danger of falling rock is avoided as the rock is not loosened or jarred by explosives mr 13 belcher elcher will be in town for a couple of days and expects to see the people connected with the utah construction company before he leaves with a view of getting some of its work the first utah machine is now being made in cleveland ohio and will cost about |