January?^, 1914. THE COLLIERY GUARDIAN. 49 The OFFICIAL figures recently published by H.M. Home Office show that in the Manchester Dis= trict, for 1912, there were 158 Coal Cutters, of eight different types, in use, of which 89, or 56 per cent, of the TOTAL number, were “5ISK0L” machines. Is any further proof needed as to which is the best Coal Cutter? INTERNATIONAL CHANNELLING MACHINES LD„ SHEFFIELD.