670

[supplement PAGE II.]

THE COLLIERY GUARDIAN.

September 27, 1918.

“SIMPLE! CIRCULATOR”

FOR EFFICIENCY AND ECONOMY.

To%to15%MORE STEAM
OR

LANCASHIRE BOILER FITTED WITH CIRCULATOR.



For further particulars apply to:

THE

LONDON SIMPLE! ENGINEERING C" L°

Bolton House, Gullum Street, Fenchurch Street, E.G. 3.

Telephone—AVENUE 872.

LABORATORY-20, CULLUM STREET, EC. 3.

Telephone—CENTRAL 11029.

Telegrams—“ LONPLET, FEN, LONDON.”

PRINCEPS PATENT

“DEFLECTOR” OIL SEPARATOR.

Capacity, 300,000 lbs. of
steam per hour,
60" diameter main.

ONE OF THE LARGEST
EXTRACTORS MADE IN THIS
COUNTRY.

PRINCEPS & CO.,

Engineers,

SHEFFIELD.

“PROTAN”

a

For BOILERS.

DAVIS’S DEPUTY

FIRE TRYER’S LAMP

(FLAME)

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

A Commercial form of TANNIC ACID (containing 48-50 % TANNIN).

In conjunction with Soda Ash

Enables the Boiler User to compound the most efficient
llllllllll SCALE REMOYER llllllllll
at only a fraction of the cost of Proprietary Compositions.

Composition can be based on analysis of water.

Samples and further particulars from

CLEMONS, MARSHALL & CARBERT,

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

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

JOHN DAVIS & SON

I Tn ALL SAINTS WORKS, DERBY ;
lUvlUy J L. 1 U 17, Victoria St., Westminster, London, S.W. 1
“	Wr	9 Telegrams—** Davis, Derby.” Telephone—240 Derby.