June 9, 1916.

THE COLLIERY GUARDIAN

1085

First
in THE

Field

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

Speciality

COAL SCREENING « CONVEYING

The

MAR K

Centrifugal Fan
is the Original
Many-Bladed Fan.

BRANCH OFFICES

LONDON:

Egypt House, New Broad St.
MANCHESTER :

54, Corporation Street.

GLASGOW :

53, Bothwell Street.

BIRMINGHAM :

Exchange Buildings, New St.

JNSTEAD of 6 or 8 large
“paddles,” the “Sirocco”
comprises numerous curved
blades that are axially long
and radially narrow, forming
an intake opening equal to the
diameter of the wheel. The
“Sirocco” was the first Fan
of this type to be put to com-
mercial use.

SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER.

	

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DAVIDSON & CO. LTD.,

Sirocco Works,
BELFAST.

CONSIDERABLY OVER

inn pi antc —="

IU U I LHIw I w and THE c°lonies-

Estimates and Designs on application.

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

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Hopk i ns

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PATENT

SHELTERED SEAT TRYCOCK

MDBS

/TUB
I BOLTS
fcupS9S9

ZaE
Union
Brand

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SPECIFY FIG. 6685
Sent on Approval.

- For -

WATER GAUGES.

Fig. 668 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.

o
o
a

Upward* of 500 ton* of Standard Steel Catting* kept in Stock.

We can give immediate delivery of iron and steel valve*.

HOWARD STREET

oiaBPcoBeo,

Illustrated Catalogue Post Free on Application.

J. HOPKINSON & C° LD Huddersfield.

Makers of Patent Safety Boiler Mountings and Valves

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.