June 13, 1913.

THE COLLIERY GUARDIAN.

1271

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

INDUCED DRAFT FAN

IS A GOOD INVESTMENT

Speciality

COAL SCREENING & CONVEYING.

Send for
Catalogue
19 H.

THE t-st of * •• Sirocco "
» Induced craft Plant is
about 30 to 40 °/0 of that of a
chimney of equal capacity.

THE power to drive the Fan
varies from 3/4ths to a °/0
of the total power generated,
while the saving frequently

amounts to from ij to 10 °/0.

INCREASES the steaming
' capacity of existing boilers
and thereby Increases the
Works production.

REDUCES the Coal Bill be-
cause cheaper coal can be
used than with natural draft.

PERMITS the use of the
o waste heat in the flue
gases by means of economisers,
superheaters. &c.

I

A

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*

Z ■ - A	*

SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER.



“The Pioneers and Largest Makers in the World of Electrically Lit Miners’ Lamps.”

» SAFETY LAMPS *

Bnyei*s Note.

THE PRESTWICH PATENTED

PROTECTOR

MINERS’ LAMPS

HAVE

Passed All

Home Office Testsy

TOGETHER WITH OUR

Specially Toughened Glasses.

QUOTATIONS given for every description of Lamproom
Installations, Enamelled Iron Colliery Notice Plates, Etc.

WRITE FOR CATaLOGUC

A PROTECTOR LAMPS LIGHTING™,

ECCLES, Near MANCHESTER.

’Phone : No. 13 ECCLES.

Telegrams: “PROTECTOR, ECCLES.”





CONSIDERABLY OVER

inn pi ant2

I BBBI I |LMI|I | O AND THE COLONIES
Estimates and Designs on application.

Agent for South Wales: A. LEIGHTON STEVENS, 16, Fields Road, Newport, Mon.

Brussels Exhibition: Grandprix:” Roubaix Exhibition, 1911: ‘Grand Prix.”

PATENT

s

Sheltered Seat Trycock

SPECIFY FIG. 6685.

Sent on Approval.

-- For -

WATER GAUGES.

Fig. 6685.

______

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.

Upwards of 500 tons of Standard Steel Castings kept in Stock.
We can give immediate delivery of iron and steel valves-

Write for illustrated specifications & catalogue 660, 4th ed., post free.

J. HOPKINSON & C° LR Huddersfield.

Maker 9 of Patent Safety Boiler Mounting 9 and Valve*
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.
No. 236. Oldham, Blackpool, Paris & St. Petersburg.