June 1, 1917

THE COLLIERY GUARDIAN.

1024

life .

Mm

HARDY “SIMPLEX”

Type B7,
Heavy, for sinking.

HARDY “SIMPLEX”

Type B6.

Medium, for
drifting, etc.

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.