January 28, 1916.

THE COLLIERY GUARDIAN.

155

--- 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 4% lb.

Gives 16 Burning Hours.

Time taken for changing Bulb, 5 secs.

PEARSONS ELECTRIC

MINERS’ LAMP CO. LTD.,

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

both Capital and Labour.

C. A. FORSLIND & SON,

Pit Props and Mining Timber Importers,

Fountain Terrace, West Hartlepool.

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

HAMMERED

IV/,0<Y£V?/-/Z’OZ2
®'Pu//Nys ~
-A Specj&Ji^y

PERFECTLY BALANCED — WELL PROPORTIONED
THOUSANDS IN USE THE WORLD OVER-EASILY ERECTED.
New Detaj/ed C&taJogue on afplicafion
H&Diy Crowthsn & Sons, I#
C/cckhsditon, Yorkshire.

GAST IRON

PISTON RINGS

1

THE STANDARD PISTON RING
ENGINEERING CO. LTD.,

Premier Works,

Don Road,

SHEFFIELD

(by the Davy-Robertson
Process).

All sizes from 2jin. to 72 in.

In our Special Piston

Ring Iron. . QUICK DELIVERY. LOW PRICES. T»r “o^Xid.-



in SWITCH GEAR.

LIQUID
SWITCH
GEAR
of
HIGH-
CLASS
MAKE
and
GOOD
DESIGN.

I







WRITE
for
LIST
No. 60
with
PRICES
and
OUTPUTS

J. H. HOLMES & GO., Newcastle-on-Tyne.

Mellings’ Patent Controller
and Steam Brake.

The most complete and reliable apparatus

— for the —

Automatic Control of Winding Engines.

References to some of the most important
Collieries in the Kingdom,

Full Particulars from SOLE MAKERS:

Worsley Mesnes Ironworks Ld.?

Telegrams—	WITiAhl	Telephone—

“ENGINES, WIGAN.”	•VIWMIV.	No. 46 WIGAN.

(•MAKER •?)

good &nHeiftment.

PROVENDER Prepared in Half
Time with Half Labour.

DRAWINGS, SPECIFICATIONS, for Complete Plants
from 5 cwt. to 5 tons per hour.

PATENT DUST
EXTRACTORS.

PATENT
MIXERS.

CRUSHERS and
SIFTING
MACHINERY.

Telephone—3241 (2 lines). Telegrams—“ Elevator, Leeds.”

GEORGE P0RTEUS,

Engineer, LEEDS.

80 BOILERS IN STOCK.

“THOMPSON” DISH-EN	TYF-EI

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

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

4	ditto	ditto	30 ft.	by 8ft.	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 LT°

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.-*

agnosia ■HF • Ugg	OO w/ fe		j i / Igfc-O	
Cannot be impaired, however intense the heat.  Our TELLURIC CEMENT, unequalled for general purposes.  So/e Mafera; SUTCLIFFE BROS.,				

Union Works, GODLEY, nr. Manchester.