Show I 1 phone for underground use the chief cons mine now has a telephone system in the underground workings the connections connect iona having been made on monday in addition to having phones in ili the various parts of the mine the line has been extend ej ed to the assay office blacksmith and machine shops manager managers a residence etc fhe the chief cons is the first tin tic mine to adopt the telephone for underground use but it is more than likely that others will be in line as the mines which have many miles of underground workings will adly find the telephone a great time saver |