Show A THERE ARE NONE BETTER california caps are the result of or nearly fifty years study and field experience in the detonation of high explosives the success of a blast depends largely upon the efficiency of the blasting cap and the great number of satisfied customers demonstrates the dependability olour of our product obtainable from powder companies and dealers in explosives california CAP manufacturers OF BLASTING CAPS AND accessories FOR HIGH explosives 1540 15 0 SAN PABLO AVENUE OAKLAND california calif ORNIA the simpson pneumatic FLOTATION CELL it washes the concentrates it improves the operation and smashes the cost nothing to break simpson pneumatic flotation cell or get out of order patented low power consumption high extraction send for catalogue simpson engineering co AIR f 0 1305 W broadway broad way long beach calif metallurgical engineers 0 flow sheets mill designs mine examinations egami nations WW 7 40 J V GOODYEAR MEANS GOOD WEAR copyright 1924 ly by the goodyear tire rubber co inc the records show that goodyear year belts in the mining industry generally perform more powerfully and economically and last much longer because beca tise they are accurately specified and specially built for the job goodyear conveyor belts are rugged carriers of abrasive materials under the severest conditions of load and temperature they wear with all the strength of special goodyear construction st like goodyear transmission belts they are scientifically specified by the G T M goodyear technical man mam there is a complete line 0 of f goodyear mechanical goods for the mining industry belts hose valves and packing for service records or for other information about any of these goods write to goodyear aaroa ohio or los angeles california goodyear year means good wear W ear an |