September 29, 1916.

THE COLLIERY GUARDIAN.

633

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

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 -

The Koppers* Coke Oven and Bye-Product Co

301, GLOSSOP ROAD, SHEFFIELD.

JOHN WOOD & SONS, LTD





Engineers, BARLEY BROOK FOUNDRY, WIGAN.

Telephone—No. “ 55 ” Wigan.

Telegrams—“ Haulage, Wigan.

and Improved

“ OUTSIDE

BAND”
FRICTION
CLUTCH.

Fitted with

AUTOMATIC BRAKE

100-H.P. “ENDLESS”

'W
"‘‘A





Haulage Gears of every type.

WINDING, PUMPING & AIR COMPRESSING ENGINES.