July 24, 1914.

THE COLLIERY GUARDIAN.

181

‘il7.ll

Water Tube Boiler, “Woodeson” Patents,
fitted with Patent Superheater and Stoker
of the Underfeed Type.

CLARKE, CHAPMAN & CO. LTD

Victoria Works,

GATESHEAD.

GENERAL AND ELECTRICAL ENGINEERS

— AND —

BOILERMAKERS.

Specialists in Colliery Power Plant, Haulage and
Winding Gears, Water Tube Boilers (“Woodeson”
Patents), Pumps for all purposes (steam and
electrically driven).

9

L

Sectional view of Boiler showing Superheater
in position.

Telep hones—
1070-1073 Central, Newcastle.

137, City.

Telegrams—

Cyclops, Gateshead. Cyclops Fen, London.

MOORE BYE-PRODOCT PRODOCERS

== FOR GASFIRING ROILERS____............-

IT PAYS to convert your coal fired boilers into gas fired boilers.
will guarantee Pounds of Steam per Pound of Producer Fuel.
Yield of Ammonia and Tar.

Instal Moore Bye-Product Producers and
Reduce your Fuel Bill by 30 e/o to 50 %

Belt Pickings, Coke Breeze, Washer Rubbish, and all kinds of poor fuels can be utilised with unequalled results.

------------ The only Producer Plant for Boiler Firing sold with complete guarantees. ----------------------

Write for literature and
engineer’s visit to—

CONOMY

TD

50.

St., Glasgow.

LEECH, GOODALL & Co.

ECONOMY

LEEDS.

Telegrams :—
“Vertical, Leeds.”

Telephone :—1982, Leeds.

-

Leech, GOODALL& c°
Leeds.

MAKERS AND ERECTORS OF

SCREENING PLANTS, PICKING BELTS, SCREENS,
PITHEAD GEARS.

BUNKERS, ROOFS, STEEL STRUCTURAL WORK, &c.

GAS RETORT INSTALLATIONS, CONVEYING PLANTS.

Representatives:—H. L. CHESTON, Clarendon House, Boston Spa, Yorks.

W. OGDEN DAYSON, 1, Mount Street, Swansea, for South Wales.

PIT PROP SHARPENING MACHINE.

5.

6.

3.

4.

1.

2.

PATENT

ADVANTAGES

By accurate tapering the life of the Pit Prop is more than
doubled.

Prop Sharpening Machine

The only machine which produces, at low cost, a
prop no matter of what length or diameter, with
a perfectly round or even point of any desired taper.



Small cost of machine.

Ability to produce a perfectly round or even
point of any desired taper.

Small amount of power required to operate.
Automatic arrangement for disposing of the
waste chippings.

Saving of labour on account of the auto-
matic feed.

Capacity for an enormous output.

--- Full particulars and prices from -

F. OXLEY & CO.. ATHERSTONE.

SAFETY