November 29, 1918.

THE COLLIERY GUARDIAN.

1115

' INCREASE YOUR OUTPUT.

QUALITY m SWITCH GEAR.

ENTIRELY.

ACCUMULATORS for all purposes.

Firemen's Emergency
Pocket Lamp.

Size Si in. by 4 in.

WE CAN GIVE YOU THE

BEST SERVICE

AT THE

LOWEST COST.

NO LEAKAGE OF ACID.

BRITISH PRODUCTIONS

Telegrams—
“ PELECTLYTO,
BOCHURCH,

LONDON."

Telephone—
119
STRATFORD.

WlEL. :

Miners’
Electric Lamp.

Weight 4t lb.

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

i

WRITE
for
LIST
No. 60
with
PRICES
and
OUTPUTS.

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

NATIONAL IMPORTANCE

SAVE FUEL

JSIMPLET

Fit up a

-"CIRCULATOR

CIRCULATOR.	w ■ ■

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

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

MORE POWER

Pearson’s Electric Miners’ Lamp C? L°

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

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.”

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,

tO, QUEEN fltlttll STREET, LONDON, E.C.

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

HAMMERED

GAST IRON

PISTON RINGS

Process).

All licet! from 21 in. to 72 in.

In our Special Piston
Ring Iron.

THE STANDARD PISTON RING
ENGINEERING CO. LTD.,

Premier Works,
fl la m Don Road,
ill SHEFFIELD.

QUICK DELIVERY. LOW PRICES. T»F

&oocf tfruledtment.

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

(for Mixing Food).

CRUSHERS and
SIFTING
MACHINERY

THOMPSON

BOILERS

OF ALL

TYPES

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 | in. Gas

Suction and delivery. Capacity 120
gallons at 320 revolutions.

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

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

GEORGE PORTEUS,

Engineer, LEEDS.



“CROWN” COVERINGS

for Boilers, Piping, Superheaters, &c.

96 SAVING

in Radiation, Greatest Economy, Longest Service.

Cannot be impaired, however intense the heat.

Our TELLURIC CEMENT, unequalled for general purposes.

So/e Makers: SUTCLIFFE BROS.,

Union Works, GODLEY, nr. Manchester.