January 21, 1916.

THE COLLIERY GUARDIAN.

151

--- 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’ 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.

47th Year of Publication.

READY.

The Colliery Manager’s Pocket Book,
Almanac and Diary for 1916.
f

Designed especially as a handy work of reference for the use of Colliery Managers and Officials, each successive issue is
thoroughly revised in accordance with the most recent colliery practice.

For several years the whole of the editions have been exhausted shortly after publication, and many have been unable to
obtain copies. Orders can be booked now, and will be executed in rotation.

---- FULL PARTICULARS OF CONTENTS ON APPLICATION. --

CLOTH - 2s.	ROAN, gilt edges • 3s.	CALF, gilt edges = 4s. 6d.

Postage Extba.—Copies are sent by Parcel Post: One copy 4d., and Id. for each additional copy up to 111b.

LONDON :	THE COLLIERY GUARDXAN COMPANY LIMITED, 30	& 31, Furniwa.1 Street, Holborn, E.C.

^ANTHRACITE CORL '

SIZING

AND

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.

fWPIMS)
LTD., I
BRIDGEND,

SOUTH WALES/