1104 THE COLLIERY GUARDIAN. December 8, 1916. ________ SUPREMEI Mil iBliliw . /- ■ *v/- ^s&'S^’V ' x 4 ^Ig^kV "’’'■''''' '' 1 '**• Wac $ -' /'?■■ fA ' *." ^■'a ■■■ __ gas _____ HARDY “SIMPLEX” Type B5. Extra light, for ripping & brushing. HARDY “SIMPLEX” Type B6. Medium, for drifting, etc. HARDY “SIMPLEX” Type B7. Heavy, for sinking. 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. ________________________________