162

THE COLLIERY GUARDIAN.

January 25, 1918.

HARDY “SIMPLEX”

Type B6.

Medium, for
drifting, etc.

HARDY “SIMPLEX”

Type B7.

Heavy, for sinking.

HARDY “SIMPLEX”

Type B5.

Extra light, for
ripping & brushing.



These machines are in use to the number of many thousands all
over the world. They have utterly defeated all competition, and
stand supreme as examples of fast-boring rock drills of immense
durability and superb engineering finish.

TRIALS ARRANGED.

THE HARDY PATENT PICK CO. LD.

SHEFFIELD.