1326 THE COLLIERY GUARDIAN. December 31, 1915. S “HARDIAX" “ALL STEEL” Coal-Cutter (Patented) Absolutely unequalled by anything hitherto placed on the market. ■Xv"; • -* C’.‘ / v.< :X\: . m’’.'.' ?X. ........ ' .< «, ■, v.-<: OgUtvW.l - 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.