March 20, 1914.

THE COLLIERY GUARDIAN.

617

Save Money - Save Coal

By adopting FORREST’S PATENT AUTOMATIC

Cylinder DRAIN COCKS
on your Compound. Winding, Hauling, and all
your Stationary Engines, Steam Winches, &c.

(Thousands in use), now fixed on most new Engines
turned out by leading Engineers.

The Safest Automatic Drain Cock ever fixed on Com-
pound Condensing Engines, most positive in action.

Makers of High-class Gunmetal Gland Taps,
Wheel Valves, &c.

For Prices, Particulars and Testimonials, apply Sole Makers,

APPLETON & HOWARD, “"IKS, “"ST. HELENS, LANCS.

Contractors to the War Office.

Save Steam

Class B

KEITH

INDUCED DRAUGHT PLANTS.

NAME PLATES

Steel Figures.

PAS(f. I

_____	. .MAKER

Eowar o Street,

X HENRY PASLEY & SONS

PlJ	TRAD" * ■ ‘ ---

Brocco Works

TELEGRAPHIC ADDRESS
"bROCCO SHEFFIELD

——*• MANUFACTURERS OF • -----

Steel Marks,Letters,Burn Brands,Brass & Rubber Stamps^
cSfegi Steeldies,Brass Checks,Labels,Pattern Makers Letters

EMBOSSING PRESSES	8- GENERAL ENGRAVERS

FOR COMPANY SEALS.	EVERY DESCRIPTION OFJOINERS & ENGINEERS TOOLS

Mechanical Engineering of Collieries.

Vol. I., Price 21s. net.	Vo). II., Price 10s. 6d. net.

Supplementary Volume, Price 10s. 6d. net.

THE COLLIERY GUARDIAN CO. LTD.,

30 & 31, Furnival Street, Holborn, London, E.O.

naihffsPlaitE

patent Duplex

The Duplex

Valveless Gas Engine

(Patent)

is a thoroughly reliable prime mover,
designed on the lines of the high-speed,
enclosed steam engine.

All side shafts, cams, gear wheels and
delicate valve motions have been eliminated
—thus ensuring simplicity and efficiency.

All working parts are above the floor
line—thus ensuring complete accessibility.

The engine is designed for continuous
running over lengthy periods, and is
specially suitable for colliery work.

U7?/TE FOR BOOKLET.

Park Works,
MANCHESTER.

Queen Anne’s Chambers,
LONDON, S.W.

.	4' •—

-

T*. -,A

<	5* < : WTO* , Ay.



Induced Draught Plant com-
prising KEITH FAN and forced
lubrication steam engine for four
8 ft. x 30 ft. Lancs. Boilers.

James Keith & Blackman C® L™

27, Farringdon Avenue, LONDON.

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

Trade	M"’'<

STANLEY’S PATENT
DRAWING TABLE. Can be
set to any height and any
angle.

The Largest Manufacturers of

SURVEYING & DRAWING

Drawing Office Stationery
of all kinds supplied on the most
favourable terms. A very large
stock kept.

in the World.

Please send for our “K 12”
Catalogue and compare our
prices with those of
any other first-class makers.

Stanleys

j Waterproof

-^drawing ink

STANLEY’S DRAWING
INKS. The result of over
30 years’ experience.

Price pd. per 2 oz. bottle.
6d. per i oz. bottle.
All colours.



HL F. STANLEY & CO. LTD.,

Export Dept.—Great Turnstile, High Holborn, W.C.

Head Offices and Showrooms—286, HIGH HOLBORN, LONDON, W.C.

PREVENT COAL MINE EXPLOSIONS

by dusting your mine with stone ground in the

GIANT GRIFFIN

Advantage*—

MAXIMUM

MAXIMUM

MAXIMUM

MILL

IMPALPABLE
POWDER.

TEAR.

PERCENTAGE OF “FLOUR” OR
FINENESS.
OUTPUT.
MINIMUM POWER.
MINIMUM WEAR AND

No Auxiliary Apparatus required for
Finishing the Product.
Heavy Construction.

OVER 3,000 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.

37, WALBROOK, LONDON, E.C.