July 23, 1915.

The colliery guardian.

159

PRINCEPS & CO.,

SHEFFIELD.

Patentees and Manufacturers of

Patent “Deflector” Oil
Extractor,

“ Little Scorcher ” Steam
Dryer,

Steam Traps,
Metallic Packings, etc.

Extractors for the following Steel
Works are erecteti or in the
course of erection.

Patent Shaft & Axletree Co.
Frodingham Steel & Iron Co.
Barrow Haematite Steel Works.
Parkgate Steel & Iron Co.

Powell Duffryn Steam Coal Co.
Blaenavon Company Ltd., Etc.

HIGHEST EFFICIENCY GUARANTEED.

«

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Fans and Blowers

for any volume and pressure.

They have the highest reputation for
Efficiency and Reliability, and are exten-
sively used by Collieries Iron and Steel
Companies, &c., &c.

We have a wide experience in the
application of Fans and Blowers, and
our expert knowledge is at the disposal
of Clients.

Your Enquiries are invited.

James Keith & Blackman C® Ltd

27, Farringdon Avenue, LONDON.

AND AT

Manchester, Newcastle, Cardiff, Leeds, Glasgow, Edinburgh, &c.

GOODALL, CLAYTON & Co. Lo.

The Life of Steelwork is Doubled
When it is Coated with

LEEDS.

Telegrams :—
“Vertical, Leeds.”

Telephone :—1982, Leeds.

mg

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MAKERS AND ERECTORS OF

SCREENING PLANTS, PICKING BELTS, SCREENS,
PITHEAD GEARS.

BUNKERS, ROOFS, STEEL STRUCTURAL WORK, &c.

GAS RETORT INSTALLATIONS, CONVEYING PLANTS.

RepresentativesH. L. CHESTON, Clarendon House, Boston Spa, Yorks.

W. OGDEN DAYSON, 1, Mount Street, Swansea, for South Wale*.

BITUMASTIC^

“ BITUMASTIC ” Solution effectively Prevents Corrosion, and
thus saves Costly Repairs and Renewals.

“ BITUMASTIC ” is a Brilliant Black Colour, Supplied Ready
for Use.

Greater Covering Capacity and Superior Lasting Qualities
than Ordinary Paint.

WRITE FOR ILLUSTRATED PAMPHLET TO SOLE MANUFACTURERS—

WAILES DOVE BITUMASTIC LT? Newcastle-on-Tyne,

And at London, Liverpool, Manchester, Glasgow, Cardiff, Birmingham, Leeds, &c.
’Phones in every office.	Telegrams—“ Bitumastic.”

PREVENT COAL MINE EXPLOSIONS

by dusting your mine with stone ground in the

GIANT GRIFFIN MILL,

As supplied to the leading Collieries.

Advantages—

MAXIMUM PERCENTAGE OF “FLOUR” OR IMPALPABLE
MAXIMUM FINENESS.	POWDER.

MAXIMUM OUTPUT.

MINIMUM POWER.

MINIMUM WEAR AND TEAR.

No Auxiliary Apparatus required for
Finishing the Product.

Heavy Construction.

OVER 3,000 CRIFFIN MILLS INSTALLED.

Also extensively used for grinding
COAL. LIMESTONE. PORTLAND CEMENT.
PHOSPHATE ROCK. ORES OF ALL KINDS.

Full particulars on application to—

BRADLEY PULVERIZER CO

37, WALBROOK, LONDON, B.C.