January 31, 1913. THE COLLIERY GUARDIAN. 251 The OFFICIAL figures recently published by H.M. Home Office show that in the Manchester Dis= trict, for ioio, thereSwere ' ' ............................ |JM 152 Coal Cutters, of eleven different types, in use, of which 81, or more than half of the total number, were “SISKOL” machines. Is any further proof needed as to which is the best Coal Cutter? 1. INTERNATIONAL CHANNELLING MACHINES LD SHEFFIELD.