October 15, 1915.

THE COLLIERY GUARDIAN.

799

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Mining BOOKS

At Tremendous Reductions ! New Books at 25 per cent.
Discount! Books on Mining, Technical and all other Sub-
jects. Sent on Approval. State Wants. Send for Lists.
Books Purchased. W. & G. FOYIaH, 121423, Charing
Cross Road, London, W.C.
____________________________________

OXYGEN.

The BRITISH OXYGEN Co. Ld.

The oldest and most extensive Oxygen producing
and distributing business in the World.

Factories in all industrial Centres equipped
with modern plants producing Oxygen of
unrivalled quality for use with RESCUE
APPARATUS.

ADDRESSES OF THE COMPANY’S WORKS:

LONDON ______

BIRMINGHAM ’

WOLVERHAMPTON

CARDIFF ______

MAN' HESTER___

BIRKENHEAD___

SHEFFIELD ___

NEWCASTLE-ON-

TYNE ______

GLASGOW______

SYDNEY ______
_________________________________________________________________________________________________________________

Elverton St., Westminster, S.W.
Tunnel Avenue, East Greenwich,
Saltley Works.	[S.E.

Lower Walsall Street.

East Moors.

Great Marlborough Street.
Bromborough Port.

Celtic Works, Savile Street.

Walker Gate.

Rosehill Works, Polmadie.

N.S.W.

JOHN STANIAR & CO., Manchester, Eng.

Wire Weavers & Metal Workers.

Established over 100 Years.

_________

--------- EVERY REQUISITE. --------------_________

GAUZES in Silk and Wire.

BRUSHES in Bristle, Weed, Fibre or Steel, for every known
make of Brush Machine.

PERFORA TED PL A TES in Iron, Steel, Zinc, Brass, Copper.
GUARDS for Engines, Stores, Machines, Strapping, Lifts, &c.

AWARD MEDALS—Japan-British 1910, Franco-British 1908.

Telegraph—“ Gauze, Manchester.”	Telephone—City 3306.

SPECIALTIES.

Rocker Bar Furnaces

■ For maximum efficiency, with natural draught, :

Twin-Door Furnace Fronts

For large Boilers, side-firing, smoke-burning.

Sectional Back Bridges

New economic composite type; fusion-proof.

Tub-Controllers

For all sizes of tubs or tipping trucks.

Wire Rope Cappels

The new safety quick hosing system. .

Visual Signal Indicators

For all winding conditions.

J. & J. NEIL & CO., Engineers,
93, Hope Street, GLASGOW.

British Manufacture Best Quality at Lowest Prices
Every description either separate or in cases.
SPECIAL 12 in. CARDBOARD PROTRACTOR,
reading to 1°, at 2*. Gd., postage Od.

ILLUSTRATED CATALOGUE ON APPLICATION.

WU U ARI I NR Mathematical Drawing and Surveying
. ri. nnnfalliWj Instrument Manufacturer,

47, Finsbury Pavement, London, E.C.

Established 1851.	Factory—HACKNEY, E.

_________________________________________

ELECTRICAL CABLE MAKERS & ENGINEERS.

REGD. TRADE MARK.

Works: Prescot, Helsby, & Liverpool.

SEE LARGE ADVERTISEMENT EVERY FOURTH WEEK.

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Elliptic Full-way Cock
costs no more than an elongated-
way cock, and is equal in service
to a round-way full-bore cock.

AV. H. WILLCOX & CO. LTD., 32 to 38, Southwark Street, London.

“ CLEAR-FLOW
BORE.”

Write
TO-DAY
for detailed
particulars
and
prices.

__________________________

Semet-Solvay Coke Ovens

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SECTION OF OVEN

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. L!

Howard Chambers, 155, Norfolk Street, SHEFFIELD.