726

THE COLLIERY GUARDIAN.

April 3, 1914.

SECOND NORTHERN COLLIERY AND
MINING EXHIBITION

1914

JUNE lath to 27th,

CITY EXHIBITION HALL,

MANCHESTER.

1914

UNDER THE AUSPICES OF

The NORTHERN MINING INDUSTRIES
EXHIBITORS’ COMMITTEE.

OF THE GROUND FLOOR ALREADY APPLIED FOR BY FIRST CLASS FIRMS.

Manchester Is the centre of some of the Greatest Coalfields in the World,
and the natural business centre for a population of 10,000,000 people,
--------------- 'THEREFORE ___

THE BEST CENTRE FOR A COLLIERY EXHIBITION.

For further particulars apply to —

The Exhibition Director,
Exhibition Offices, 196, Deansgate,
MANCHESTER.

THE

$$ EFFICIENCY & WEAR (fiBS

2 MOST IMPORTANT POINTS

to have in mind when purchasing Machine-cut Gearing.

GENUINE

DOUBLE HELICAL GEARS

Offer all this and more. Made from specially selected
material, with teeth accurately cut in one continuous
piece direct from the solid—they are an ideal drive
for heavy power transmission.

SILENT RUNNING.

& Sons <hfd Ltd., Huddersfield.

FOUNDED 1895.

THE
QUARRY,

The Organ of the

Stone, Marble, Slate,
Lime, Clay and
Cement Trades,
Circulating amongst

QUAEEY OWNEES and
MANAGEES,
AECHITECTS,
ENGINEEES,
SUEVEYOES,
STONE MEECHANTS, &c.

Price—

6d. monthly.

Annual Subscription,
7 s. 6d. post free
(payable in advance).

Offices—

30 & 31, Furnival Street
Holborn, London, E.C.

WELDED TUBES

up to 36 in. diameter, for

----- MINING, GAS AND WATER. ----------

EDWIN LEWIS & SONS, WOLVERHAMPTON.

WORMS :

Telegrams—“Lewis, Wolverhampton.” Patent Iron Tube Works, Monmore Green. London Address—143, Cannon Street, E.C.

Telephone—No. 15 Wolverhampton.	Britannia Tube Works, Ettingshall.	Liverpool Warehouse—58, South John St.