April 20, 1916.

THE COLLIERY GUARDIAN.

739

SHAFT INSPECTION LAMP.



“ PEARSON ” SPECIALITIES.

_______________

6 Volt.	_____

50 Candle Power.

Weight 21 lb.

UNSPILLABLE

ACCUMULATORS.

Telegrams—“ PELECTLYTO,

BOCHURCH, LONDON.”

Telephone—119 STRATFORD.

NEW TYPE
VALVES

(Patent applied for).

No Acid Leakage.

____

Weight under 4tlb.

Burning hours 16.

Time taken for
changing bulb,
5 seconds.

Cheapest in Upkeep.

MINERS’
ELECTRIC 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.

Wrocrght-Zron,

'A -Ztz/A’.j.s —

vl SpeciaJrty

PERFECTLY BALANCED — WELL PROPORTIONED

THOUSANDS IN USE THE WORLD OVER-EASILY ERECTED.

Detailed Catalogue on application

Henry Crowther & Sons, Hi

Clsckheetton, Yorkshire.

_________________________________________________________________________________

HAMMERED

CAST IRON

PISTON RINGS

(by the Davy-Robertson
Process).

All sizes from 2iin. to 72 in.

In our Special Piston

THE STANDARD PISTON RING

& ENGINEERING CO. LTD.,

Premier Works,
Don Road,
SHEFFIELD.

Ring Iron.

____________

QUICK DELIVERY. LOW PRICES.	..0^!=ld,

FERRO-CONCRETE LINING

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

TO COLLIERY PROPRIETORS.

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

18 shafts completed in England,
and 7 in progress.

Ferro-Concrete Lining a speciality.

Feeders of water in shafts or levels
effectually treated.

ALBERT FRANCOIS,

Telegrams—“ Francois, Doncaster,”

White House Chambers,
DONCASTER.

Telephone—408 Doncaster,

Melling’s Patent Automatic

EXPANSION GEAR
______________________________
for Winding Engines . . .

SAVES up to 50 % in STEAM CONSUMPTION.

________

APPLY FOR FULL PARTICULARS—

WORSLEY MESNES IRONWORKS LTD.,

Telegrams—	1A/ I A Al	Telephone—

“ENGINES, WIGAN.”	iMMIli	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” DISH-ENDED

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

3	ditto	ditto	30ft. by 8ft. 3in., 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.

-- w

It; _

LUft

Cannot be impaired, however intense the heat.

Our TELLURIC CEMENT, unequalled for general purposes.

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