April 5, 1917.

THE COLLIERY GUARDIAN.

691

A high return on outlay assured
with coal at present abnormal
price.

Initial cost of Economiser repaid
in many instances in two to three
years.

A reduction in the coal account
means an increase in dividend.

Steaming capacity of boilers in-
creased.

SAVES ONE WAGON

OF COAL

IN EVERY FIVE.

CCCN0MI3ER —
rMsi^iaidsi

""7L* C

3

Reduces the coal consumption
15 to 20 per cent.

Every ton of coal saved by the
Economiser at a colliery is another
ton for sale at market price.

Coal saving commences imme-
diately Economiser is connected
up.	'

Write for Pamphlet “ B.Q.” to:

E. GREEN & SON L"

Economiser Works, WAKEFIELD.

12

ID

RAISEi

Slower
.STEADILY.

'RAISE
^STOP.

<4

5 J

9\

Patent No. 7638. and Patents Nos. 7241 and
17607 applied for.



WINDING
SIGNALS
“ NON-CUMULATIVE.”

DAVIS’S Self-Contained
SOLENOID BELL
with DIAL INDICATOR.

Simple, Efficient, Inexpensive.
SEND FOR LIST 41V.

JOHN DAVIS & SON
(DERBY) LTD.,
All Saints Works, DERBY;

and 17, Victoria St., Westminster, London, S.W.
Phone—210 Derby. Telegrams—“ Davis, Derby.”

Steel Undebframe

Railway Car-
riages, Tram.ars,
and Wagons of
every description
for Hire and Sale
by Immediate or
Deferred Pay-
ments. Ironwork,
Wheels and Axles.

WAGONS.

Also Wagons with Oak Underframes

Makers of HYDRAULIC PRESSED BOSS
and other WHEELS and AXLES.

PRESSED STEEL BOGIES.

Wagons for
Hire, capable of
carrying Six,
Eight and Ten
Tons, part of
which are con-
structed specially
for Shipping pur-
poses. Wagons
in Working Order
maintained by
Contract.

SECOND-HAND BALLAST WAGONS FIT FOR MAIN LINE TRAFFIC.

Sole Manufacturers of Dean & Churchward’s “ EITHERSIDE
BRAKE,” and Marillier’s Patent “ INSTANTER COUPLING."

The Birmingham Railway
Carriage <Sc Wagon Co. Ltd.,
WORKS : SMETHWICK, BIRMINGHAM.

Telegrams—“Carriage, Smethwick.”	Telephone—No. 296 Smethwick (4 lines).

GEORGE FLETCHER&CO.LTD.

SPECIALISTS IN DERBY
COLLIERY, MINING & CEMENT
WORKS PLANT.

UNDER GOVERNMENT CONTROL.

‘ PROTAN

For BOILERS.

A Commercial form of TANNIC ACID

(Containing 48—50 °/o TANNIN).

HEAD GEARS

(Joist or Lattice Type).

is’/

—

1 I—

All Steel Head Gear erected by us.

London Office : 21, Mincing Lane.

’Phone: 2813 Avenue.

’Grams: “Amarilla, Fen, London.”



nr 12 I Cphone: 817 (2 lines).

1 ELEgrams: “Amarilla, Derby.’

BRITISH MANUFACTURE.

In conjunction with Soda Ash

Enables the Boiler User to compound the most efficient

----- SCALE REMOVER -------------

at only a fraction of the cost of Proprietary Compositions.

Composite ion oan bo toeisod on nnnl V si s of wnfex*.

Samples and further particulars from

CLEMONS, MARSHALL & CARBERT,

Branch of The Yorkshire Dyeware and Chemical Co. Ltd., Leeds.

DIPLOMAS OF HONOUR
BRUSSELS and TURIN.

Illustrated Lecture on—
‘ THE TRANSMISSION
OF POWER BY
ROPES.”

Post Free on Application.

Telegrams:
“ Kenyon, Dukinfield.”

Telephone:
494 Ashton.

LONDON OFFICE :

95 & 97, Finsbury Pavement,
E.C.

ROPE
DRIVING.

FOR EFFICIENCY
DURABILITY USE

Wm. KENYON & SONS Ltd.,

CHAPEL FIELD WORKS,

DUKINFIELD, near MANCHESTER.