June 23, 1916.

THE COLLIERY GUARDIAN.

1207

PNEUMATIC SCALING TOOLS.

For B. & W. Fire Tube and all types of
------Boilers, Economisers, &c.-

J.s used by THE BRITISH ADMIRALTY, Russian Navy, and many
large Industrial Concerns.

THE DIAMOND BLOWER CO. LTD.,

75b, Queen Victoria St., London, E.C.

Manufacturers of—

Diamond Steam Flue Blowers, Steam Separators, , &c.

The Gosforth Foundry Co. Ltd.

Malleable Ironfounders,
DRONFIELD, near SHEFFIELD.

Makers of al! kinds of

DRIVING & ELEVATOR CHAINS,
SPROCKET WHEELS, ELEVATOR
BUCKETS. &c.

British Manufacture Best Quality at Lowest Prices o
Every description either separate or in cases.

SPECIAL 12 in, CARDBOARD PROTRACTOR,
reading to i°, at 2«. 6rf., pottage Gd.

ILLUSTRATED CATALOGUE ON APPLICATION.

W H MARI I NR Mathematical Drawing and Surveying

II. n. riMnUHQj Instrument Manufacturer,

47, Finsbury Pavement, London, E.C.

Established 1851.	Factory—HACKNEY, E.

Tndian Mines Act, 1901, with a Digest of

the Act, a reprint of the Act with explanatory noteBjan appendix con
taining forms, a model code of Special Rules, &c., by W. H. Pickering
Chief Inspector «f Mines in India, and W. Graham, Barrister-at-Law.-
Price 10s. 4d. post free from Collitry Guardian Office, 30 & 31, Furnival-st
Holborn, London, E.C.

ALFRED ALLEN & SON

Makers of	LTD.

		
	COLLIERY AIR PIPES. 1  \      — 		 - 	r.—	i

JIBT and COLLIERY TUBS

In IRON, STEEL and WOOD.

Lower Gornal, nr. Dudley.

Telegrams—44 Allen. Lower Gornal.” Telenhone—106 Dudley.

Control lers
for all sizes of Colliery Tubs, Tipping
Trucks, and for all working conditions.

Compressor Type,

6 to 9” compression for heavy
shock absorption, 3 " or less for cages.

Saves the axles, & offers great
scope for economy of upkeep.

J. & J. NEIL & CO..

Patentees and Makers,

9 3, Hope Street, GLASGOW.

British Insulated & Helsby Cables Ld.,

ELECTRICAL CABLE MAKERS & ENGINEERS.

REGD. TRADE MARK.

Works: Prescot, Helsby, & Liverpool

SEE LARGE ADVERTISEMENT EVERY FOURTH WEEK.

A COPY OF OUR^

736 pp. CATALOGUE,
containing particulars of

Colliery Engineers’ Stores,
will be gladly sent upon
^^^^receipt of application.

W. H. WILLCOX & CO.

Willcox's Oils

Our special Cylinder, Crank Chamber,
Turbine, &c., Oils are dependable and
economical for all Colliery lighting and
power plants. Let us quote for YOUR
requirements.

Prompt Deliveries
from large stocks.

LTD., 32 to 38, Southwark Street, London.

OILS

Semet-Solvay Coke Ovens

SECTION OF OVEN

L

SHOWING SOLID CONSTRUCTION.



Strongest in Design.

Separate sets of flues to each oven.
Very low Maintenance Cost.

“DIRECT” AMMONIA RECOVERY PLANT,
giving increased yield of Sulphate, with less
Labour, and a saving in Steam consumption.

THE COKE OVEN CONSTRUCTION CO. Is

Howard Chambers, 155, Norfolk Street, SHEFFIELD.