524 THE COLLIERY GUARDIAN. March 15, 1918. WEIGHT 15 b. Hardy Try the fit HARDY” A R PICK for Colliery Work Every Modern Colliery should use this new Labour-Saving Tool. Can be used for dozens of jobs underground. Air Pick for dressing up corners in headings, for taking down shale bands, for cutting girder holes, in fact, wherever the work is hard and slow for an ordinary pick. For Coal getting in hard laminated Coal, the Hardy Air Pick will prove invaluable. OVER 125 ORDERED RY ONE COLLIERY. THE HARDY PATENT PICK CO. LD