Show INVENTS TUBE MILL HEAD A dispatch from manhattan nevada says lee had to go away from home to secure recognition of a device for increasing the efficiency of tube mills over a year ago the inventor took out patents in the leading mining countries of the world including russia and since then has been getting busy preparing patterns and getting ready to place the process the device is a tube mill head by which the capacity is said to be increased from seventy five to per cent without incurring any additional expense for power last week shipped his patterns to the el paso foundry machinery company at el paso texas where the appliance will be turned out for use at the mill of the commonwealth mine at pearce arizona the head was first tried out in the wittenberg mill at manhattan in which mr was interests the principle on which the head operates is a combination tion of the ball and pebble mill operating through a partition after the el paso foundry completes the equipment for the commonwealth mill the will be returned to tonopah and future manufacture conducted in that camp |