November 12, 1915. THE COLLIERY GUARDIAN. 965 “HARDIAX” “ALL STEEL” Coal-Cutter (Patented) Absolutely unequalled by anything hitherto placed on the market. Bill ••M FW ‘I B ’•w .v -.'f‘1 W II■ >.. '•«£>'' ’ •’.♦ \ AW* ■ vl'l IK v! * Fastest and most durable percussive coal- cutter extant---Steel from end to end. 30 “Hardiax” machines have been installed by a large North of England Colliery Company. Ask for New Catalogue. SENT ON FREE TRIAL. THE HARDY PATENT PICK CO. LTD., SHEFFIELD.