November 26, 1915. THE COLLIERY GUARDIAN. 1103 X “HARDIAX” “ALL STEEL” Coal-Cutter (Patented) Absolutely unequalled by anything hitherto placed on the market. "I :-4- .;:- -< ■ A * ' 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 PATEHT PICK CO. LTD., SHEFFIELD.