February 8, 1918.

THE COLLIERY GUARDIAN.

263

“HARDIAX”
“ ALL STEEL ” Coal-Cutter (Patented).
ABSOLUTELY UNEQUALLED BY ANYTHING
HITHERTO PEAGED OH THE MARKET.



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Fastest and most durable percussive coal-
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.