264 THE COLLIERY GUARDIAN. February 9, 1917. your 0Ur BY USING “DIAMOND” Coal-Cutters I "i ?r a (“DIAMOND” ELECTRIC ENCLOSED TYPE DISC COAL-CUTTER.) AND Coal-Face Conveyors PL (“DIAMOND” ELECTRIC JIGGER CONVEYOR.) FOR POWER, RELIABILITY and OUTPUT DIAMOND MACHINES ARE UNEQUALLED. DIAMOND COAL-COTTER CO., Telegrams- \A/ Jk Idf KT ET I ET I Tolephone- “ Diamond, Wakefield.” W M f\ t I IILtaUi No. 141 Wakefield. Branch Works at UDDINGSTON, nr. GLASGOW.