March 30, 1917.

THE COLLIERY GUARDIAN.

613

•DELIVERIES

° FROM STOCK

Bos SpaKBa

“union”	brand

RED LABEL.

7mm IMs
q	O <5 ® © ® Q O

~|i

Blbert Frosts

- Moluzird St.
Sheffield.

Keith Centrifugal Fans.



STRONG — RELIABLE—EFFICIENT

These are the qualities which make
KEITH FANS suitable for continuous
service on MINE VENTILATION,
FORCED & INDUCED DRAUGHT,
GENERATOR COOLING, &c.

James Keith & Blackman C? Ltd

27, Farringdon Avenue, . . . LONDON.

And at Manchester, Newcastle, Cardiff, Leeds, Glasgow, Edinburgh, &c.

M. COULSON & CO. LTD.,

SPENNYMOOR,

Makers of

Coal Washers, Screening Plant, . .
Conveying, Elevating, and Crushing
Machinery, Tipplers, Tub Controllers,
. . Storage and Drainage Bunkers. . .

Estimates and Full Particulars on Application.



Replace parts and Repairs given Special Attention.

CEMENTATION for
WET VIRGIN GROUND

YEARS of STUDY
and EXPERIENCE
HAVE BROUGHT
MY SYSTEM OF
CEMENTATION
TO PERFECTION.

TO COLLIERY PROPRIETORS.

Shafts sunk, tunnels driven, and
other mining constructions carried
out in difficult and very wet ground
by the best method. Success guar-
anteed.

18 shafts completed in England,
and 7 in progress.

Ferro-Concrete Lining a speciality.

Feeders of water in shafts or levels
effectuaUy treated.

ALBERT FRANCOIS,

Telegrams—“ Francois, Doncaster.”

White House Chambers,
DONCASTER.

Telephone—408 Doncaster.

Partners : Albert J. Francois (Belgian); Thomas Blandford.

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.

PREVENT GOAL MINE EXPLOSIONS
by dusting your mine with stone 'ground in the

GIANT GRIFFIN MILL,
As supplied to the leading Collieries.

Advantages—

MAXIMUM PERCENTAGE OF “FLOUR” OR IMPALPABLE

MAXIMUM FINENESS.	POWDER.

MAXIMUM OUTPUT.

Full particulars on application to—

BRADLEY PULVERIZER CO,

MCL 37, WALBROOK, LONDON, E C.