December 13, 1918.

THE COLLIERY GUARDIAN.

1223

' INCREASE YOUR OUTPUT.'

WE CAN GIVE YOU THE
BEST SERVICE

AT THE

LOWEST COST.

NO LEAKAGE OF AGIO.

BRITISH PRODUCTIONS

ENTIRELY.

ACCUMULATORS for all purposes.

Firemen’s Emergency

Pocket Lamp.

Size 5i in. by 4 in.

Telegrams—
“ PELECTLYTO,
BOCHURCH,
LONDON."

Telephone—
119
STRATFORD.

Miners’
Electric Lamp.

Weight 4} lb.

Pearson’s Electric Miners’ Lamp C? L?

Victoria Works, Marshgate Lane, Stratford, LONDON, E. 15.

NATIONAL IMPORTANCE

SAVE FUEL

JSIMPLET

Fit up a

-CIRCULATOR

CIRCULATOR.	W ■ ■

MORE POWER

J J Can be
installed in
a few hours
without
interfering
with
existing
fittings.

4dopted by
Collieries,
Iron & Steel
Works, and
all large
steam users.

THE LONDON SIMPLET ENGINEERING CO., Ltd.

BOLTON HOUSE, CULLUM STREET, FENCHURCH STREET, E.C. 3
Telephone : Avenue 872.

LABORATORY— 20 CULLUM STREET, E.C.3. Telephone: Central 11029.
Telegrams : “Lonplet, Fen, London.”

STRONG’S PATENT

MINE SIGNALLING APPARATUS.

NON-CUMULATIVE,
AUDIBLE, VISIBLE, and
ILLUMINATED SIGNAL.

Entirely fulfils the requirements of
the Coal Mines Regulation Act.
Simple in action, absolutely reliable
and fool-proof. Registers “ Men ”
and “ Right-away ” Signals on one
Dial.

THE BEST INDICATOR ON THE MARKET.

Write for Circular giving full particulars, to

THE

CLAY CROSS GO. LTD.,

Hear CHESTERFIELD.

WELDLESS STEEL TUBES
AND CONSTRUCTIONS.

British Manufacture throughout.

High-class Quality.
Excellent Finish.

Accuracy.

The material for your requirements
may be in stock.

J. E. SLACK,

80, QUEEN VICTORIA STREET, LONDON, E.C.

Depot—Millwall. Telegrams—“ Jeslaker, Cannon, London.”

HAMMERED

CAST IRON

Premier Works,

PISTON RINGS

Don Road,

SHEFFIELD

(by the Davy-Robertson
Process).

All sizes from 24 in. to 72 in.

In our Special Piston
Ring Iron.

THE STANDARD PISTON RING

& ENGINEERING CO. LTD.,

QUICK DELIVERY. LOW PRICES.

I

THORNTON’S INSTRUMENTS
for the FIELD, MINE, and DRAWING
OFFICE, are constructed on Scientific
Principles, and are unequalled in Design
and Workman-
ship.

The illustrations are of two
of our recent patents. Send
for particulars, you will be
interested.

Illustrated catalogue, up to
1,000 illustrations and 450
pages, the most up-to-date in
the world. Sent free.

A. G. THORNTON

Manufacturers, Ltd.
Paragon Works,

19, King Street West,
MANCHESTER.



TYPES.

OF ALL

WATER TUBE TYPE.

Simplicity of design with maximum efficiency.

WOLVERHAMPTON, Eng.

THE “CROWN” ROTARY
GEARED PUMP

FOR OIL OR WATER AND SUDS.

Useful in Collieries, Pumping Sta-
tions, Railroad Shops, and also on
Machine Tools.

Supplied with | in., f in. or A in. Gas
Suction and delivery. Capacity 120
gallons at 320 revolutions.

THE CROWN ENGINEERING Co.,
123-7 Sheen Rd.. Richmond. Surrey.



“CROWN” COVERINGS

for Boilers, Piping, Superheaters, &c.

96 SAVING

in Radiation, Greatest Economy, Longest Service.

- ' ■ s

fCUjjl il

Cannot be impaired, however intense the heat.

Our TELLURIC CEMENT, unequalled for general purposes.

So/e Makers: SUTCLIFFE BROS.,

Union Works, GODLEY, nr. Manchester.