March 28, 1918.

THE COLLIERY GUARDIAN.

625

By Tests The Best

RESULT OF LATEST TRIAL

INCREASE
IN
EVAPORATION

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

“SINGLE HOOD’’

ROPEWAYS LIMITED,

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

Illlllllllllllllllllllllllll CONSTRUCTORS OF ||||||||||||||||||||||||||||

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.

AUTOMATIC DUMPING WITH BICABLE SYSTEM.

AUTOMATIC DUMPING WITH MONOCABLE SYSTEM.

-



Telephone—12780 Central.

Telegrams—“ Ropeways, London”

TURBON PATENT FAN CO. LTD.,

LONDON Addresa-	v	X

34, ViotoidM Street, S.W. 1. I did A IN iTd I d I d X •

PERCENTAGE OF “FLOUR” OR IMPALPABLE
FINENESS.	POWDER.

OUTPUT.

Also extensively used for grlgdino’
COAL. LIMESTONE. PORTLAND CEMENT.
PHOSPHATE ROCK. ORES OF ALL KINDS.

PREVENT COAL MINE EXPLOSIONS

by dusting your mine with stone 'ground in the

GIANT GRIFFIN MILL,
As supplied to the leading Collieries.

Advantage*—

MAXIMUM

MAXIMUM

MAXIMUM

MINIMUM POWER.

MINIMUM WEAR AND TEAR.

No Auxiliary Apparatus required for
Finishing the Product.

Heavy Construction.

OVER 4,000 GRIFFIN MILLS INSTALLED.

Full particulars on application to—

BRADLEY PULVERIZER CO.,

KL 37, WALBR00K, LONDON, E C.

TURBON.

The LATEST THING in FANS.

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

Great strength, simplicity and silence.

Highest efficiency. Perfect balance at all speeds.

Suitable for all pressures.

Resists high temperatures without distortion.

No rivets in blades.

Manufactured by THE WADDLE PATENT FAN CO. LTD.,