November 26, 1915.

THE COLLIERY GUARDIAN.

1115

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

12,500 KOPPERS’ OVENS.

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 __.. -l "" """■l -

The Keppers' Coke Oven and Bye-Product Co.

301, GLOSSOP ROAD, SHEFFIELD. SXrXStiZ-

SELF-CONUINED MILL Producing

BUOYANT, MIXED or COARSE

Dust at one Operation, from
Run of Mine Shale.

20 MILLS
SOLD THIS YEAR.

Several Repeat Orders.

WM. JOHNSON & SONS (LEEDS) LTD., Armley, Leeds

Specialities : CRUSHING, GRINDING and SCREENING, BRIQUETTING, CEMENT and BRICKMAKING MACHINERY.

ANTHRACITE COAL”



KING
SIZING

AND '■
WASHING
PLANT

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.

SHEPPfflM)
■LTD., '
BRIDGEND, .
SOUTH WflLEV