970

[supplement page X.]

THE COLLIERY GUARDIAN.

May 10, 1918.

GOODALL, CLAYTON & Co. Ln

LEEDS.

Telegrams :—
“ Vertical, Leeds.”

Telephone:—1982, 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, Tories

W. OGDEN DAYSON. I. Mount Street Swansea for South Wste

SPECIAL Self-contained MACHINE for CORRECT GRINDING of

STONE-DUST

For FIERY WORKINGS.

BRICKMAKING
MACHINERY

Suitable for COLLIERY SHALES.

Richard Scholefield, Leeds.

’Phone 1513.	ENQUIRIES SOLICITED. Wire “Brick, Leeds.”

CEMENTATION and
CHEMICAL TREATMENT

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.

19 shafts in Great Britain sunk with
cementation.

Ferro-Concrete Lining a speciality.

Feeders of water in shafts or levels
effectually treated.

ALBERT FRANCOIS, w doncasteT

Telegrams—“ Francois, Doncaster,"	Telephone—4 08 Doncaster.

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



Established 1800.

Brass Time Checks

JOHN LAWSON & SONS,
Manufacturers of every kind of
STEEL STAMPS, LETTERS,
FIGURES, BRANDS, STENCIL
PLATES, Ac.

Telegrams—“ Lettering, Sheffield.”

Telephone No. 577.

Roebuck Letter Works, 26, Carver Lane, SHEFFIELD.

Save Money - Save Coal - Save Steam

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 Automati i Drain Cock ever fixed on Com-
pound Condensing Engines, most positive in action.

Makers of Sigh class Gunmetal Gland Taps.

Wheel Valves, &c,

Class B

For Prices, Particulars and Testimonials, apply Sole Makers,

APPLETON & HOWARD,	ST. HELENS, LANCS

Contractors to the War Office.

—“PROTAN”—

For BOILERS.

A Commercial form of TANNIC ACID (containing 48 -50% TANNIN).

In conjunction with Soda Ash

' Enables the Boiler User to compound the most efficient
llllllllll SCALE REMOVER iiiiiiini
at only a fraction of the cost of Proprietary Compositions.

Composition can be based on analysis of water.

Samples and further particulars from

CLEMONS, MARSHALL & CARBERT,

Branch of The Yorkshire Dyeware and Chemical Co. Ltd., Leeds.

We have Specialised in this
class of Machinery, and have
designed and made more than
all other firms combined.

References to users are invited.

Established 50 Years.

ANTHRACITE COAL

PLANT

/ BREAKING X
] SIZING I
AND

LTD.,

BRIDGEND, .

SOUTH WHIES/