May 10, 1918.

THE COLLIERY GUARDIAN.

[supplement PAGE VII.]

967

SAVES ONE WAGON

OF COAL

IN EVERY FIVE.

EfSNOMIBEJ*.

ImI

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.



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 4 SON L?

Economiser Works, WAKEFIELD.

THE BRITISH ROPEWAY

Tele:^nnlkraI."!155	7, MINCING LANE,





DISPOSAL OF PIT REFUSE.

Are you short of Men ?

Are you short of Wagons ?

AN

AERIAL ROPEWAY

Will overcome these difficulties.

Send us your enquiries.

ENGINEERING Co. Ltd.,

LONDON, E.C. 3.

STEAM, MOTOR, BELT, OR ROPE-DRIVEN

AIR COMPRESSORS

From 50 to 25,000 cubic feet

FOR

COLLIERIES, MINES, Etc.

ADVANTAGES:

SIMPLICITY.

RELIABILITY.

SELF-LUBRICATION.

SMALL FLOOR SPACE.

6.

1

5 09. A.

ADVANTAGES:

DURABILITY.

HIGH EFFICIENCY.

BEST WORKMANSHIP.

MINIMUM MAINTENANCE.

AIR COMPRESSOR VALVE AS FITTED TO BELLISS COMPRESSORS.

1. Valve Seat. 2. Valve Guard. 3. Closing Springs. 4. Valve Plate. 5. Lift Washer. 6. Cushion Plate. 7. Complete Valve.

BELLISS & MORCOM LIMITED

Telegrams :

“ BELLISS, BIRMINGHAM.”

BIRMINGHAM.

London Office:

8, VICTORIA STREET, S.W.