May 10, 1918.

THE COLLIERY GUARDIAN.

933

“H AR DI AX”
“ALL STEEL” Coal-Cutter (Patented).
ABSOLUTELY UNEQUALLED BY ANYTHING
HITHERTO PLACED OH THE MARKET.

gfe

IB*



Fastest and most durable percussive coal-

II

cutter extant----Steel from end to end

HUNDREDS OF THESE MACHINES ARE AT WORK.
THREE BRITISH COLLIERIES HAVE OVER 100.

THE HARDY PATENT PICK CO. LTD.,

SHEFFIELD.