May 24, 1918.

THE COLLIERY GUARDIAN.

1033

By Tests The Best

RESULT OF LATEST TRIAL

INCREASE
IN
EVAPORATION

I

“PERFECTA” BOILER CIRCULATOR Ltd., 39, Victoria Street, LONDON, S.W. 1.

AUTOMATIC DUMPINC WITH MONOCABLE SYSTEM.

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ROPEWAYS LIMITED,

2, Eldon Street, South Place, London, E.C. 2.

Illlllllllllllllllllllllllll CONSTRUCTORS OF Illlllllllllllllllllllllllll

Aerial Ropeways

On the “ ROE ” Systems.

FOR the transport of all classes of
material over any ground, and
for the formation of dumps, spoil banks,
&c. Installations at present in opera-
tion with carrying capacities of 200
tons per hour and lengths of 30 miles.

Telephone—12780 Central.	TelegramsRopeways, London”



AUTOMATIC DUMPING WITH BICABLE SYSTEM.



TURBON.

The LATEST THING in FANS.

Equally suitable for Bine Ventilation, forced and induced
draught, or any other purpose.

Great strength, simplicity and silence.

Highest efficiency. Perfect balance at all speeds.

Suitable for ail pressures.

Resists high temperatures without distortion.

No rivets in blades.

Manufactured by THE WADDLE PATENT FAN CO. LTD.,



TURBON PATENT FAN CO. LTD.,

t.oxx>ox AddrenH-	Y' w x iLyov tt ~,w

34, victoria	s.w i.	M,di a.,4 X ■

FLOUR” OR IMPALPABLE

POWDER.

FINENESS.

MAXIMUM OUTPUT.

MINIMUM POWER.

MINIMUM WEAR AND TEAR.

No Auxiliary Apparatus required for
Finishing the Product.

Heavy Construction.

OVER 4,000 GRIFFIN MILLS INSTALLED.

Also extensively used for grinding
COAL. LIMESTONE. PORTLAND CEMENT,
PHOSPHATE ROCK. ORES OF ALL KINDS.

Full particulars on application to—

BRADLEY PULVERIZER CO.,
gUL 37, WALBROOK, LONDON, EC.4

prevent ©oal imnsE explosions

by dusting your mine with stone 'ground in the

GIANT GRIFFIN MILL,
As supplied to the leading Collieries.

Advantages—

MAXIMUM PERCENTAGE OF

MAXIMUM

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