November 8, 1918.

THE COLLIERY GUARDIAN.

983

HOPKINSON

BOILER MOUNTINGS & VALVES

FOR HIGH PRESSURE AND SUPERHEATED STEAM.

R.D.S. STEAM TRAP
FOR ALL PRESSURES 1

VALVE & SEAT
OF HOPKINSON
PLATNAM
METAL.

!' IF fill

HOPKINSON R.D.S. STEAM TRAP
FIGURE No. 9034.

BODY & COVER.

RAPID DISCHARGE
OF WATER AND
SHARP CUT-OFF.

NO LEAKAGE.

J. HOPKINSON t CO. L- HUDDERSFIELD.

LONDON - GLASGOW - EDINBURGH - PARIS
CARDIFF - OLDHAM - BLACKPOOL - PETROGRAD

No. 399.