February 1, 1918.

THE COLLIERY GUARDIAN.

251

Koppers’ Coke Oven

Is undoubtedly the most successful Bye-Product Oven on the market.
Since its introduction a little over 10 years ago there have been built
15,000 KOPPERS’ OYENS.

KOPPERS’ OVENS ARE AT WORK HEATED .BY
PRODUCER GAS AND BLAST FURNACE GAS.

KOPPERS’ DIRECT RECOVERY PROCESS

IS THE SIMPLEST AND MOST EFFICIENT
SYSTEM OF AMMONIA RECOVERY.

PLANTS ERECTED FOR THE RECOVERY OF
BENZOL & TOLUOL, FOR TAR DISTILLATION &
THE MANUFACTURE OF SULPHURIC ACID.

~— Full particulars on application to	11

The Koppers* Coke Oven and Bye-Product Co.,

..a.™’’?;"™;...,	301, GLOSSOP ROAD, SHEFFIELD.

IN its production, the essential features, not only of immediate and reliable check, but perfect resistance to the highest frictional
heat, has been provided for. Manufactured only from guaranteed 100% pure asbestos reinforced by metallic strands
and containing no Cotton or other fibre perishable by heat, woven solid in all thicknesses up to one inch, transmitting
a sure grip and engagement, soft as velvet and pliant as a hand grasp, it easily outlives many times all
Other braking media—whether of metal, wood or other combinations.

Used by hundreds of Collieries, Forges, Engineering Works, etc., for Winding Drums, Brake

Posts, Drift or Transport Winches, and all Power Clutch and Brake Gears ; also for

Trolleys, Cranes, Hauling Machinery, and Electro-mechanical Brakes fitted to

Hoists, Centrifugal Machines, etc., above or below ground or water.

We invite your enquiries

Send postcard for our

Catalogue and

Drawings.

BRAKE
AND
CLUTCH
LININGS

CRESSWELLS’ lu

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

WELLINGTON MILLS, BRADFORD.

1 1, Bothwell Street, GLASGOW ; 9, Grosvenor Road,
Sketty, SWANSEA ; 44=4 5, 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, and numerous British Railways, etc.

SAFETY FIRST	RIGS:

Cage Arresters and Detach Hook.
Rope and Guide Cappies.

AL. HANLEY, Thirlmere, Sheffield.

THOMAS SUMMERSON & SONS LTD.,
. ____	_ ___ £	z

ALBERT WORKS, DARLINGTON.





Sidings

Contracted for

Complete.

Also “ BITSOL ” QUICK TAR BLACKS

W. W. Hill, Son & Wallace Ltd.,
Elton St., Broughton Bridge, MANCHESTER.

---- ESTABLISHED 1840. -

MANUFACTURERS of SWITCHES and CROSSINGS,
Chairs, Spikes, Fish Plates, Iron and Steel Castings.

FISH PLATES and BOLTS for various sections of Rail kept in Stock.