July 14, 1916.

THE COLLIERY GUARDIAN.

59

SIMPLEX
WATERTIGHT
BULKHEAD

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

Speciality—

FITTINGS

"*l**>z*1**^ ■ ' *

t

CONSIDERABLY OVER

100 PLANTS

COAL SCREENING » CONVEYING

are manufactured at our
Birmingham Works, in cast
iron or brass.

Supplied to Admiralty, War
Office, and Government
Departments.

Simplex Conduits Ld.,

WORKS :

GARRISON LANE,
BIRMINGHAM.

s

a	ASsS^-’-' -

SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER.





- *



NOW AT WORK IN
GREAT BRITAIN
AND THE COLONIES.

Estimates and Designs on application.

Agent for South Wales: A. LEIGHTON STEVENS, 15, Fields Road, Newport, Mon.

Walter Scott Ltd.

Leeds,	LEEDS STEEL WORKS,	England.

MANUFACTURERS OF

BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS
TRAMRAILS AND PERMANENT WAY RAILS, &c.

PATENT

SHELTERED SEAT TRYCOCK

Pit Hesd Frame,
k Erected in Works
for inspection.

Example of 10 in. x 6 in. v 42 lb. R.S. Joists curved for Framework to Roadway.

Sent on Approval.

SPECIFY FIG. 6685

---- For -----

WATER GAUGES.

Fig. 6 68 5.

ADVANTAGES

NO ASBESTOS PACKING
TROUBLES.

No plugs to work loose
and leave the packing faces,
causing cutting and leakage.

No circular action to cause
grooving.

Easy method of operating,
as there is no packing fric-
tion to overcome.

Is not affected by expan-
sion.

Large outlet for discharge
of sediment, &c.

Self Cleansing.

Main valve opened and
closed at atmospheric pres-
sure, which overcomes the
cutting action of the steam
and water at the point of
opening and closing.

VALVE AND SEAT OF

HOPKINSON’S “PLATNAM”

METAL.

which does not cut and score
like gunmetal & other alloys.

ROLLED STEEL JOISTS for PIT PROPS,
FRAMEWORK TO ROADWAYS. Ac.

STRUCTURAL STEELWORK FOR BUILDINGS, Ac.

Mild Steel Blooms, Billets, Slabs, Tinbars, Rounds & Flats.

Rolls cut for Special Sections and to approved quantities.

Books of Sections and other information on application.

Upward* of 500 ton* of Standard Steel Casting* kept in Stock.
We can give immediate delivery of iron and steel valve*.

Illustrated Catalogue Post Free on Application.

J. HOPKINSON & C° LD Huddersfield.

Maker* of Patent Safety Boiler Mountings ana Falves

For High Pressure Superheated Steam, High-class Exhaust and Water Sluice

Valves for Condensing Plants, &c„ Automatic Exhaust Valves, Reducing

Valves, Steam Traps, &c., &c.

Depots and Showrooms—London, Glasgow, Edinburgh, Cardiff,
Oldham, Blackpool, Paris & Petrograd.

No. 342.