March 28, 1918.

THE COLLIERY GUARDIAN.

659

HOPKINSON

BOILER MOUNTINGS & VALVES

TRADE

MARK.

1843

-1918

75 Years Actual Experience in the
Design & Manufacture of Valves for
all Purposes and Pressures.

J. HOPKINSON i CO. L> HUDDERSFIELD.

LONDON - GLASGOW - EDINBURGH - PARIS 2 h:
CARDIFF - OLDHAM - BLACKPOOL - PETROGRAD

No. 399.