June 22, 1917.

THE COLLIERY GUARDIAN.

1157

DELIVERIES
FROM STOCK

Albert Frost&^

Howard St.

Sheffield.

Dos Spikbs

UNION	BRAND

RED LABEL.

O o Q Q Q Q O 0

Keith-Blackman

Electric Forge Blowers.

b 'I,1
Bit?’

*

These Blowers are very compact, and can be
applied to any hearth.

LOW FIRST COST.

SMALL RUNNING COSTS.

Supplied complete with Hearths in many
designs, or separately for existing hearths.

FANS & BLOWERS
for all purposes.

James Keith & Blackman C” Ltp

27, Farringdon Avenue, . LONDON, E.C. 4.

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

Its production has aimed at and attained a far higher standard of
strength, reliability and economy than that of any other
existent brake lining. A unique service

We invite your enquiries,

Old-established Spinners and Manufacturers
and Patentees of Pure Asbestos Fabrics, etc.

CLUTCHLENINGS.

MIUJLS. BRADFORD.

11, Bothwell St., GLASGOW; 84, Hawthorne Av., SWANSEA; & 44/45, Exchange Bldgs., New St., BIRMINGHAM.

Telegrams—“ ASBESTOS, BRADFORD ” Contractors to the’Admiralty, the India.Office and War Office, the
Telephone—950 BRADFORD.	Crown Agents for the Colonies, & numerous British Railways, etc.

Send post card for our Catalogue
and Drawings.

CRESSWELLS’ Ld.,

WELLINGTON

BRAKE and

^ECHAmCAL ENGINEERING OF COLLIERIES. T. c. pbJtErs.

Vol. 1„ Price 2is. net (By post 21s. 8d.>.	Vol. II., Price 10s. 6d. net (By post lie.).

SUPPLEMENTARY VOL.—Price 10s. 6d. net (By post Ils.).

THE COLLIEBY GUARDIAN CO. LTD., 30 4 31, Furnival Street, Holbom, London, E.C. 4

LANCASHIRE BOILER fitted with SIMPLET CIRCULATOR.

For further particulars of the above, apply

..'' 10%tc15% MORE STEAM
.	or

M^_>5%TO8%SAVINGfeFUEV

THE LONDON SIMPLET ENGINEERING CO. LTD.,

.20,	CULLUM STREET, -_________

FENCHURCH STREET, LONDON, E.C.

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

MINIMUM POWER.

MINIMUM WEAR AND TEAR.

No Auxiliary Apparatus required for
Finishing the Product.

Heavy Construction.

OVER 4,000 GRIFFIN MILLS INSTALLED.

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

GIANT GRIFFIN MILL,

V
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,
■T 37, WALBROOK, LONDON, E C.