October 27, 1916.

THE COLLIERY GUARDIAN.

833

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 Hoppers’ Coke Oven and Bye-Product Co.

301, GLOSSOP ROAD, SHEFFIELD.

JOHN WOOD & SONS, U"



Engineers, BARLEY BROOK FOUNDRY, WIGAN.

Fitted with

AUTOMATIC BRAKE

FRICTION

CLUTCH.

BAND”

Telegrams—“ Haulage, Wigan

and Improved

“ OUTSIDE-

100-H.P. “ENDLESS”

r

-LT-	of oirory (ypo.

WINDING, PUMPING & MR COMPRESSING ENGINES.