October 25, 1918.	THE COLLIERY GUARDIAN.	845

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Sullivan Ironclad

COAL CUTTERS

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represent the latest and most approved
practice in modern coal cutting machinery.
They are the only machines with the
chain haulage and friction clutch—the
two greatest improvements in Coal
Cutters in recent years.

“Ask the Man who has one”

Send for Catalogue 3073 A.

SULLIVAN MACHINERY CO.

(Established 1850),
Salisbury House,
London, E.C. 2.

DISTRICT AGENTS.

SWINBURNE & HARDIE,
Milburn Hou<e, Newcastle-on-Tyne.

F. J. LYONS-DAVIS,

23, Victoria Avenue, Cardiff.

ROBERT LAVERICK,

2, Claremont Garden!, Nottingham.

ARCHIBALD BAIRD & SON LTD.,
Hamilton, Scotland.

JOHN WOOD & SONS LTD., Wigan.

BURN LOW GRADE COAL

: : on your Boilers by installing a : :

Keith Induced Draught Fan

: COAL BILL REDUCED :

EVAPORATION INCREASED

James Keith & Blackman Co. Ltd.

27, FARRINGDON AVENUE, E.C. 4.

Branches

CARDIFF, NEWCASTLE, BIRMINGHAM, EDINBURGH, etc.

AUTOMATIC DUMPINC WITH MONOCABLE SYSTEM.



ROPEWAYS LIMITED,

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

Illlllllllllllllllllllllllll CONSTRUCTORS OF llllllllllllllllllllllllllll

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.	Telegrams—“Ropeways, London”

AUTOMATIC DUMPING WITH BICABLE SYSTEM.

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 ail speeds.

Suitable for all pressures. 4

Resists high temperatures without distortion.

No rivets in blades.

Manufactured by THE WADDLE PATENT FAN CO. LTD.,

TURBON PATENT FAN CO. LTD.,

LONDON Address—	T Y K WC T T "V

M, Victoria Btreat, S.W. 1.	■ A I a HJN ■ J 1 J X •

0DIEEIN 1111 I O For Producing
bnlrrlll iWILLO STONEDUST.

No. 6 REPORT OF THE EXPLOSIONS IN MINES COMMITTEE,
whilst recommending a minimum of 50 °/o passing a 200 x 200 sieve, says
emphatically“ THE FINER THE DUST THE BETTER,” con-
sequently, STONEDUST PRODUCED BY THE GRIFFIN MILL
SYSTEM IS THE MOST EFFICACIOUS PRODUCTION FOR

THE PURPOSE, SEEING IT PREPARES:—

Percentage Horse

Output per hour Passing Power

*	200 x 200 Sieve Required

Dust from South Wales Shale—	1 to If tons upwards 83 °/o	25

Dust from Yorkshire & other Shale—1 to tons upwards 87 ®/o	25

No other System of Pulverizing can approach the
GRIFFIN & GIANT GRIFFIN MILL
for Low Cost of Grinding and Fineness of Product.

--------- FOR FULL PARTICULARS, APPLY -

BRADLEY PULVERIZER C?

37, Walbrook, LONDON, E.C. 4.