1098 [supplement PAGE IV.] THE COLLIERY GUARDIAN. November 22, 1918. Sections of our Patent Roller Conveyor. Ns 4 ‘olco Our Patent Roller Jigging Conveyors are unequalled for efficiency, construction, durability and increasing output. It is the best labour-saving plant introduced into a mine. No. 4 Conveyor will deal with 500 tons per shift. l“aOT , . MINING APPLIANCES C° f ' «s> PATENT COMPRESSED AIR-DRIVEN MOTOR. Made in sizes to suit all requirements. [i BWTlSHMMU MOTOR ARRANGED ALONGSIDE CONVEYOR. Telegrams: “ Conveyor, Sheffield. Co