March 1, 1918.

THE COLLIERY GUARDIAN.

421

SR “HARDIAX”
“ ALL STEEL ” Coal-Cutter (Patented).

ABSOLUTELY UNEQUALLED BY ANYTHING
HITHERTO RLACEB ON THE MARKET.



v :

ii

J

7

■ ■ ■■■ •& A

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.