1096

THE COLLIERY GUARDIAN.

[supplement page II.]

November 22, 1918.

SIMPLE! CIRCULATOR

FOR EFFICIENCY AND ECONOMY

For further particulars apply to

LANCASHIRE BOILER FITTED WITH CIRCULATOR

. 1O%to15% MORE STEAM
OR	__

5%to8% SAVING inFUEL,^

THE

LONDON SIMPLE! ENGINEERING C“ L

Bolton House, Gullum Street, Fenchurch Street, E.C- 3.

Telephone—AVENUE 872.

LABORATORY—20, CULLUM STREET, E C. 3.

Telephone—CENTRAL 11029.

Telegrams—“ LONPLET, FEN, LONDON.”



NEVER	PASS.

PATENTED

PUMP
BUCKETS;

— If —
your water
end of pump
gives you trouble,
Write us for List B.

PUMP BUCKETS

___-—

-

*

Flexible

~rings
<■

The Rings are Flexible, they Expand
Automatically to Pressure, are Always
Tight, are not Split, do not cause Uneven
Wear, Reducing Friction to a Minimum.

DAVIS’S DEPUTY

OR

FIRE TRYER’S LAMP

(FLAME)

Gives greatly
increased light
over ordinary
Marsaut Lamp
without the
increase of
extra parts or
consumption
of more oil.

Send for Pamphlet 41 L and
Copy of Report of Test by
Dr. HENRY BRIGGS.

SOLE PROPRIETORS:

D6JCIN6 ’ Ltd., Stratford, London, E. 15

Telegrams:	Telephone:

“ Dezine, Stratford, London."	355 Stratford.

JOHN DAVIS & SON

marhiri I TH all saints works, dlrby;
BUUl Ujw I Lr I U 17, Victoria St., Westminster, London, S.W. 1

™	” Telegrams—“ Davis, Derby.” Telephone—240 Derby.