March 10, 1916.

THE COLLIERY GUARDIAN.

443

SHAFT INSPECTION LAMP.

“ PEARSON" SPECIALITIES.

_______________

6 Volt.	_____

50 Candle Power.

Weight 21 lb.

UNSELLABLE

ACCUMULATORS.

Telegrams—“ PELECTLYTO,

NEW TYPE

VALVES

(Patent applied for).

No Acid Leakage.

Weight under 4? lb.

Burning hours I 6.

Time taken for
changing bulb,
5 seconds.

Cheapest in Upkeep.

BOCHURCH, LONDON.”	_____

Telephone—119 STRATFORD.

MINERS’
ECTRIC LAMP

British Productions entirely both as to Capital

_____________

Pearson’s Electric
Miners’ Lamp Co. Ltd.,

VICTORIA WORKS, .

Marshgate Lane, Stratford,
LONDON, E.

and Labour.

________________________________________________________________________________________________________________________

C. A. FORSLIND & SON,

Pit Props and Mining Timber Importers,

Fountain Terrace, West Hartlepool.

Telegrams: “Forslind, West Hartlepool.” Telephone: No. III.

HAMMERED

HZoczUZ?/- Iron

®~BciIteys ~

-A

PERFECTLY BALANCED — WELL PROPORTIONED
THOUSANDS IN USE THE WORLD OVER-EASILY ERECTED.

New Detailed Catalogue on application
//enry Crowther & Sons, BI
CtGckhsaton, Yorkshire.

CAST IRON

PISTON RINGS

(by the Davy-Robertson
Process).

All sizes from 2jin. to 72 in.

In our Special Piston
Ring Iron.

THE STANDARD PISTON RING

& ENGINEERING CO. LTD;

Premier Works,
Don Road,

SHEFFIELD.

____________

QUICK DELIVERY. LOW PRICES. T&F ..o»Xid.

YEARS of STUDY
and EXPERIENCE
HAVE BROUGHT
MY SYSTEM OF
CEMENTATION
TO PERFECTION.

TO COLLIERY PROPRIETORS.

Shafts sunk, tunnels!
driven, & other mining
constructions carried
out in difficult and very
wet ground by the best
method. Success guar-
anteed.

1 8 shafts completed in
England, and 7 in
progress.

Ferro-Concrete Lining
a speciality.

Feeders of water in
shafts or levels effec-
tually treated.

ALBERT FRANCOIS,

White House Chambers, DONCASTER.

Telegrams—“Francois, Doncaster.”	Telephone—408 Doncaster.

WINDING & HAULING ENGINES

up to the largest sizes.

STEAM and ELECTRICALLY DRIVEN.

___________________________

Worsley Mesnes Ironworks Ld.,

WIGAN.

___________________________

AIR-COMPRESSING ENGINES
AND PUMPS.
__________

BREAKDOWN REPAIRS A SPECIALITY.

Telegrams—“ ENGINES, WIGAN.”	Telephone—No 46 WIGAN.

______

Stone’s “Alligator”
Flexible Steel Belt Lacing.

J. B. STONE & CO. LTD.,

13 5, Finsbury Pavement, London, E.C.

Send me free a sample of “Alligator” Belt Lacing,
which I agree to test in my factory.

Width of Belt..........	Thickness..........





Name ..............  -........................

Address __.................................................................

___

80 BOILERS IN STOCK.

“THOMPSON” DI SK - E N UE D TYPE

3 DISH END BOILERS, 30ft. by 9ft. 3m., 160 w.p.

3	ditto	ditto	30ft. by 8ft. 3m., 160 w.p.

4	ditto	ditto	30ft. by 8 ft. 3in., 100 w.p.

70 other sizes and pressures.

JOHN THOMPSON, Wolverhampton, Eng.

“Spade” Washers

For the Scottish Tube Company’s Tubes,
and others.

JOHN E. KEIRBY & SONS LTD

SWINTON, near MANCHESTER.

Telegrams—“ Keirby,” Swinton, Manchester. Established 1864.

(The word “SPADE” is a Registered Trade Mark.)

“CROWN” COVERINGS

for Boilers, Piping, Superheaters, &c.

96 SAVING

in Radiation, Greatest Economy, Longest Service.

itA

Cannot be impaired, however intense the heat.

Our TELLURIC CEMENT, unequalled for general purposes.

Sole Makers : SUTCLIFFE BROS.,
Union Works, GODLEY, nr. Manchester.