Show KARNS MACHINE MAKES RECORD on january a party of sixteen of whom the writer was one made a trip to the india gold mine up the canyon nine miles from boulder colorado to make additional J observations on the working of the karns tunneling machine every member of the party including geo L nye formerly of salt lake but now residing in denver expressed themselves as well p pleased leased with the showing made A run of seventy nine minutes was made actual running time and the machine cut twenty six and two thirds inches of perfect tunnel in very hard rock the only delay during the entire run was due to causes outside the machine practical drillers drillars dr illers present claimed that the best air drill could not run in the same ground for as long a period with as little delay the machine was still pushing ahead in perfect running order when the party was obliged to catch the return train to denver |