May 2, 1913.

THE COLLIERY GUARDIAN.

897

SENT ON FREE TRIAL AGAINST

I

PROOF

POSITIVE!!

Hardy Simplex” Hammer Drills
have just been bought by two large Continental Colliery
Companies after lengthy experience of other types.
Why need British Collieries buy foreign=made machines ?

The above striking success confirms the splendid
wins in this country by SIMPLEX drills over
competing makes in open competition.

the HARDY PATENT PICK CO. LTD

SHEFFIELD.