January 12, 1917.

THE COLLIERY GUARDIAN.

SIZE 51 x 4.

Approved by the Home Office
for use in Mines.

Telegrams—" PELECTLYTO,
BOCHURCH, LONDON/*

Telephone—119 STRATFORD.

FIREMEN’S EMERGENCY
POCKET LAMP
with

UNSELLABLE

PEARSON” SPECIALITIES

ACCUMULATORS

NEW TYPE

VALVES

(Patent applied for).

No Acid Leakage

Weight under 41 lb.

Burning hours 16.

Time taken for
changing bulb,
5 seconds.

Cheapest in Upkeep.

MINERS’
gLECTRIC LAMP.

British Productions entirely both as to Capital

Pearson’s Electric

Miners’ Lamp Co. Ltd.,

VICTORIA WORKS,

Marshgate Lane, Stratford,
LONDON, E.

and Labour.

BORING AND

SINKING CO.,

Contractors for

Deep Borings and Pit Sinkings
a// oi^er the World.

—-----------

Bank Chambers, 329, High Holborn,
LONDON, W.C.

(by the Davy-Robertson
Process).

All sizes from 2 J in. to 72 in.

In our Special Piston

Ring Iron.	QUICK DELIVERY. LOW PRICES.

HAMMERED

GAST IRON

PISTON RINGS

THE STANDARD PISTON RING

& ENGINEERING CO. LTD.,

Premier Works,
Don Road,
SHEFFIELD.

Paper or Bitumen

CABLES.

Shot Firing Gables.

All Guaranteed of BRITISH MANUFACTURE.

COMPETITIVE PRICES for the HIGHEST QUALITY
and QUICK DELIVERY.

HIGGIN Ltd., deansgate, Manchostcr.

Melling’s Patent Automatic



i

EXPANSION GEAR

for Winding Engines . . .

SAVES up to 50 % in STEAM CONSUMPTION.

APPLY FOR FULL PARTICULARS—

WORSLEY MESNES IRONWORKS LTD.,

Telegrams—
“ENGINES, WIGAN.”

WIGAN.

Telephone-
No. 46 WIGAN.

Telephone No.—1006 Avenue. Telegrams—“ Kernamat, London.”

H. E. HAY,

Peninsular House,

28, MONUMENT ST., LONDON, E.C.

Sole Agent for—

KERN & CO., AARAU, SWITZERLAND.

Established 1819. Contractors to the Indian Office.

FIRST PRIZE—GOLD MEDAL. GRAND PRIX,
Allahabad (1911) U.P. Exhibition.	Paris, 1899. Milan, 1906.

TURIN (1911)—2 GRANDS PRIX.
20 Medals and Highest Awards.

Makers of High=class - =

Swiss Drawing and ■ ■

Surveying Instruments.

THE FINEST INSTRUMENTS IN THE WORLD.
HIGHEST PRECISION. LATEST IMPROVEMENTS.

CATALOGUES SENT FREE.

BOILERS IN STOCK.

“Thompson” Dtsh-Ended Type

2	Dish End	Boilers...	30ft.	By 9ft.	3in., 1501b.	w.p.

1	„	„	„ ...	30ft.	by 8ft.	Bin., 1201b.	w.p.

3	„	; „	...	30ft.	by 8 ft.	3in., 1501b.	w.p.

Many other sizes and pressures.

JOHN THOMPSON, Wolverhampton, Eng.

S WIRE ROPES

GEOs C R A DO C K ltd.,

"V' >;	~	?• -	< 1	< ■ - ?

“CROWN” COVERINGS

for Boilers, Piping, Superheaters, &c.

96 SAVING



in Radiation, Greatest Economy, Longest Service.

Cannot be impaired, however intense the heat.

Our TELLURIC CEMENT, unequalled for general purposes.

Sole Makers; SUTCLIFFE BROS.,

Union Works, GODLEY, nr. Manchester.