April 26, 1918.

THE COLLIERY GUARDIAN.

[supplement Rage vii.j

871

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 __

The Stoppers* Coke Oven and Bye-Product Co.

301, GLOSSOP ROAD, SHEFFIELD.



EWARTS TYPE CHAINS

For COLLIERIES and MINES, &c

Elevator

Buckets

GEO. W. KING Ltd

Sprocket
Wheels.

Telegrams—“ Agrikinger, London.

Telephone—18 and 662 Stratford.

Stratford, LONDON, E. 15

GOODALL CLAYTON & Co. Lo.

LEEDS.

Telegrams :—
“Vertical, Leeds.”

• Telephone :—1982, Leeds.

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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 Wate