540 THE COLLIERY GUARDIAN. September 22, 1916. ™w “HARDIAX” “ALL STEEL” Coal-Cutter (Patented). ABSOLUTELY UNEQUALLED BY ANYTHING HITHERTO PLACED ON THE MARKET. ■w 1# ,.v : V- - $4^ :■■■• v vV X ‘ '' ' A.X/ ? .■.••> -X.-‘ ■' ?. 'rV.^V-.' • V, ‘ : !.Av 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. TRIALS ARRANGED. THE HARDY PATENT PICK CO. LTD., SHEFFIELD.