| Show macquisten TUBES AT PARK CITY the miller beggs company is building a tailings mill at park city utah to handle about forty tons per day on wilfley tables and macquisten tubes the plant will treat material all passing screen the Wilf leys to be used as roughing machines while all the finishing work will be done by the macquisten tubes of which there will be forty installed the average grade of concentrates will test above 52 per cent zinc the plant will be in operation by december 1st ast 1911 |
