470

THE COLLIERY GUARDIAN.

March 8, 1918.

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HARDY “SIMPLEX”

Type B5.

Extra light, for
ripping & brushing.

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£V A\;r, tyy-zr.<//■'.1

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HARDY “SIMPLEX”

Type B7
Heavy, for sinking.

HARDY “SIMPLEX”

Type B6.

Medium, for
drifting, etc.

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 PATEMT PICK CO. LD.