December 3, 1915.

THE COLLIERY GUARDIAN.

1119

—— THE ** PEARSON” LAMP ---

CHEAPEST IN UP-KEEP,
LONGEST LIFE,
BRIGHTEST LIGHT,
AND

COMPLIES WITH ALL
HOME OFFICE REQUIREMENTS.

Prompt Deliveries Guaranteed.

Telegrams—" PELECTLYTO, BOCHURCH, LONDON.”

Telephone—119 STRATFORD.

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A British Production entirely as to

This Lamp has been designed for combined
strength, lightness and ease of manipulation.

It weighs under 4i lb.
Gives 16 Burning Hours.

Time taken for changing Bulb, 5 secs.

PEARSON’S ELECTRIC
MINERS’ LAMP CO. LTD.,

Victoria Works, Marshgate Lane,
STRATFORD, LONDON, E.

both Capital and Labour.

PLUMMER

PLUMMER BLOCK

MX SPEC/MXL/TY

SfLFOIllNG

WRITE

FOR NEW ILLUSTRATED CATALOGUE

WITH DETAILS & PRICES----------

Hshiry Crowt&er &Sons,Ltd
C/eckhe&tozi, Yorkshire.

C. A. FORSLIND & SON,

Pit Props and Mining Timber Importers,

Fountain Terrace, West Hartlepool.

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

HAMMERED

CAST IRON

PISTON RINGS

(by the Davy-Robertson
Process).

All sizes from 21 in. to 72 in.

In our Special Piston
Ring Iron.

J

THE STANDARD PISTON RING
ENGINEERING CO. LTD.,

Premier Works,

Don Road,

SHEFFIELD

j

QUICK DELIVERY. LOW PRICES. T»uU .<o»Xid.”

STOP CORROSION

and SAVE EXPENSIVE REPAIRS & RENEWALS
BY APPLYING

“BITUMASTIC” SOLUTION

TO ALL STRUCTURES EXPOSED TO

SEVERE CORROSIVE & CLIMATIC CONDITIONS.

“ BITUMASTIC ” is a brilliant black. Supplied ready for use.

DESCRIPTIVE BOOKLET ON APPLICATION TO SOLE MANUFACTURERS—

WAILES DOVE BITUMASTIC LI? Newcastle-on-Tyne,

And at London, Liverpool, Manchester, Glasgow, Cardiff, Birmingham, Leeds, &c.

’Phones in every office.	Telegrams—“ Bitumastic.”

Melting’s Patent Automatic
EXPANSION GEAR
for Winding Engines . . .

SAVES up to 50 % in STEAM CONSUMPTION.

♦----------------------

APPLY FOR FULL PARTICULARS—

WORSLEY MESNES IRONWORKS LTD.,

Telegrams—	WIA A l\l	Telephone—

“ENGINES, WIGAN.” ItltAMIVi	No. 46 WIGAN.

EVANS O' DODD
CANNOCK.

REflSER

OVER 1.AOO PAIRS SOLD.

NEW PRtENT NO 20901,1913.

tvK/r£Fon PMoros. ro sou MeiNum

13?

THE

HOPPERS’ PATENT

BYE-PRODUCT COKE OVENS

AND
NEW SYSTEM OF RECOVERING THE
BYE-PRODUCTS

GIVE RESULTS WHICH HAVE NEVER BEEN
EQUALLED BY ANY OTHER SYSTEM.

See large advertisement appearing in alternate
issues of this Journal.

All communications to be addressed to—

THE KOPPERS’ COKE OVEN & BY-PRODUCT CO.,
301, Glossop Road, Sheffield.

Tel. No. 193,5.	Tel. Address—“ Kochs, Sheffield.”

CEMENTATION

Shaft Sinking and Drift Driving
through any kind of Water-bearing
Measures, by Improved Patent Cement-
ation and Chemical Processes.

Concrete Lining a speciality.

Feeders of water existing in Shafts or
Levels treated.

Seventeen Shafts already cemented in
England In the last two years.

Complete Estimates given on application.

ALBERT FRANCOIS,

9	I

Whitehouse Chambers, DONCASTER.

“CROWN” COVERINGS

for Boilers, Piping, Superheaters, &c.

961 SAVING

in Radiation, Greatest Economy, Longest Service.



I

2

Cannot be impaired, however intense the heat.

Our TELLURIC CEMENT, unequalled for general purposes.

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