September 13, 1918.	THE COLLIERY GUARDIAN. [ SUPPLEMENT PAGE VII.]	571

--- THE --

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 Koppers* Coke Oven and Bye-Product Co.,

301, GLOSSOP ROAD, SHEFFIELD. -5SrS£SJ-

The Mirrlees-Leblanc

Steam Multijector Air Pump.

“Simple” Type.

STEAM TO

AIR

SUCTION.

PRIMARY

EJECTOR

M1RRLEESX
.watsonY

EJECTOR.

SECONDARY
~EJECTOR

STEAM SUPPLY

I

DISCHARGE FROM

SECONDARY EJECTOR
TO FEED HEATER.

LB.I598.

Write us for advice as
to which type is most
suitable for your conditions.

The Mirrlees Watson Co. Ltd.

For 5,000 K.W. Plant.
Weight 97 lb.

Operating Steam 880 lb. per hour.

SPECIALISTS in CONDENSING PLANTS

Glasgow.

“Intermediate Condenser” Type.

DISCHARGE FROM DRAIN TO CONDENSER

FOR

DISCHARGE FROM
PRIMARY EJECTOR.

STEAM TO
PRIMARY
EJECTOR

AIR___
SUCTION,

TO
SECONDARY
EJECTOR

t
STEAM SUPPLY

COOLING
WATER INLET

SECONDARY EJECTOR	OR

TO FEED HEATER.	CONDENSATE SUCTION.

L8J599.

For 5,000 K.W. Plant.
Weight 200 lb.

Operating Steam 400 lb. per hour.