990

THE COLLIERY GUARDIAN.

May 17, 1918.

CLAGWOOL

the BEST NON-CONDUCTOR for all purposes,

UNAFFECTED BY HEAT

Write for samples and particulars before you commit yourselves to BUYING FOREIGN MATERIALS,
occupying room on board ships which is required for food. Support British product and labour,
and help to save shipping tonnage. Apply—

J. G. BROADBENT & CO. LTD., Slagwool Works, REDCAR.

Telegrams—“ Broadbents, Redcar.”	Telephone—16 Redcar.

Makers of Anti-Friction Metal of all

AHTI-
FRICTION
ALLOYS.

Every ingot of our various
brands is stamped with
The MARK

"ATLAS.”

$

11*

GEORGE BUTRLM'SHIE,

Rock ano Stone Drilling Machines:

Burnside’s Safety
Boring Apparatus.

Used most successfully
in tapping old Mine
Workings.

Apply for Catalogue.

Drills to any Size

Also Eye Guards for Pit Ponies.

Boring Tool Works, Shiney Row, Fencehouses,
CO. DURHAM.

‘Russell’Steel DOGSPIKES

rFor HIGH CLASS QUALITY and
PRACTICAL UTILITY are UNSURPASSED. W
In use throughout the world.

Large Stocks of all sizes held.

JOHN G. RUSSELL,

Clydesdale Spike	a

WISH AW. SCOTLAND.	W

First-class

Medals—

Paris. 1885 ;

London, 1862.

“SHELTON” IRON.

“SHELTON” STEEL(.=3

Gold Medals—
Paris, 1878;
Melbourne,
1881.

classes. Special Alloys for

PIT-TUB BEARINGS

OPE-CAPPING

ENGINE-HOUSE REPAIRS

Our ATLAS METAL
(W. E. WATSON’S Brand)
is largely supplied for Colliery work.

Atlas Metal & Alloys Co. Ld.

52, Queen Victoria Street, London, E.C. 4.

Telegrams—	Telephone—

“ Aloyau, Cannon, London.”	Central 2210.

“GRANVILLE” PIG IRON CX™)

STEEL PIT GIBERS & COLLIERY HAILS a Speciality; also High-class BAH IRON for Couplings, Sc.

IRON & STEEL BARS, ANGLES, TEES, CHANNELS, GIRDERS,

PLATES & SHEETS, STEEL BILLETS, BLOOMS & SLABS.

Enquiries to—	— ————----------— 1

THE SHELTON IRON, STEEL & COAL CO. LTD., SE1

r	Or 122, Cannon Street, London, E.C. 4

Telegraphic Address: “ Shelton, Stoke-on-Trent.” Tel. Nos. 11 and 253. | Telegraphic Address: “ Sheltonian, London.” Tel. No. 386 Bank.

HUGE

hkffE PRESSURES-

J.B.

TREASURE

VflUXHfllLRe

GAUGE

GLA5S

WISHERS

LUBRI£flT0R5nc

®Lf5T5 ov

LASSES

WALKER BROS. (Wigan)
LIMITED,
PagefieBgi Ironworks, WHS AN,

_______________ TWO

^lllllllllllllllllllllllllllllllllllllllll CENTURIES’

=	REPUTATION.

New Patent Light Disc Valves
for Air Compressors.



Vertical Steam-driven Air-Compressing Engines,
with Two-stage Air Cylinders.

Installations now at work equipped with
the above valve indicating over
135,000 H.P.

PATENT UNLOADING DEVICE AND OUTPUT
REGULATOR FOR MOTOR DRIVEN PLANTS.

IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIH

TOOLS

OF EVERY
DESCRIPTION

FOR ALL PURPOSES

SONS

TELEGRAMS :
SPENCER
SHEFFIELD.

TELEPHONE :
1231
CENTRAL.

SPENCER &
ALBION STEEL WORKS
SHEFFIELD



CELEBRATED HALFMOON

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