418> THE COLLIERY GUARDIAN. March 1, 1918,
WET SHAFTS
MADE WATERTIGHT BY OUR CEMENTATION PROCESS.

SAVES COAL and LABOUR and INCREASES OUTPUT

BY DOING AWAY WITH PUMPING.

Llay Hall Collieries, Wrexham, 2 wet shafts, linings cemented.
Wrexham and Acton Collieries, 2 wet shafts, linings cemented.

references	Wigan Coal and Iron Co. Ltd., Parsonage Colliery, Leigh, Lancs., 2 wet shafts, linings

cemented.
Risehow Colliery Co. Ltd., Flimby, 2 wet shaft linings being cemented.
Pinxton Collieries Ltd., Pinxton Collieries, Alfreton, 1 wet shaft lining being cemented.

SHAFT SINKING

BY FREEZING OR CEMENTATION.

Llay Main Collieries, Wrexham, 2 shafts sunk by Freezing.

SIMON-CARVES L° mount st., MANCHESTER

Phone: 8200 City, Manchester (8 lines).	Telegrams: “ Simcar, Manchester.”

THE CONQUEROR OF RUST.

BOWRANITE*
is now everywhere recognised as the
standard protective for Iron and Steel,
superseding all paints and varnishes

and specified by leading Engineers,
Architects and Naval Con-
Structors for Government
and other works.

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Imp*

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The Importance

of Rust Prevention

In War Work, and all other Iron and Steel
Construction, efficient protection against rust
demands a thoroughly standardised coating, built
for the work according to correct scientific tests.
Admiralty and other Government Contractors
and the leading Constructors and Iron Ship-
builders have adopted after rigid practical test

THE STANDARDISED RUST PREVENTIVE,

“BOWRANITE”

(1 Bowranite” is sold only by name in branded containers.
Un-named bitumen solutions are not “ Bowranite,” and
cannot be used where “ Bowranite ” is specified.

For particulars of laboratory tests and a long list of leading
firms using “ Bowranite” exclusively, write to

Robt. Bowran & Co. Ld., 4 St. Nicholas Bldgs., Newcastle-on-Tyne.

STOCKS HELD AT CHIEF PORTS AT HOME & ABROAD

Write for particulars and Trial Tin on this form or on your letter paper.

Messrs. Robt. Bowran & Co. Ltd.,

4, St. Nicholas Buildings, Newcastle-on-Tyne.

{"We} enclose our letter heading. Free of charge, and without committing	J any

obligation, please send particulars of “ Bowranite ” tests and a sample tin.

Name of Firm............................

t,-'"ROBERT BOWRAN & CO. LTD.,

Bowran, Newcastle-upon-Tyne.	4, St. Nicholas Buildings, Newcastle-on-Tyne.