April 14, 1916.THE COLLIERY GUARDIAN.735

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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.

LARGE STOCKS

OF

Galvanised

TUBES

Gas and Steam.

BLACK GAS.

RED STEAM.

Send Specification for Prices.



____________________

PECKETT & SONS LTD., Bristol.

Speciality

TANK

LOCOMOTIVES.

Locos, of various sizes specially
designed for

COLLIERIES,
IRONWORKS,
CONTRACTORS, &c.,
always in progress
for Early Delivery.

Photographs, Prices and Specifi-
cations on application.

Tel. Address—“ Beckett, Bristol.”
Telephone—No. 6 Fishponds.

Established 1S64.

Wabehouses :

Leeds, and Trafford Park, Manchester.

S. DIXON &' SON LD.,

Swinegate, LEEDS.

Telegrams—“Brass, Leeds.”	Phone—3600 (3 lines).

Price 3s. IQd. Post Free.	A Practical Handbook for Colliery Electriciang.

ELECTRIC CIRCUIT PROBLEMS
IN MINES AND FACTORIES.

By ELLIS H. CRABBER, B.Eng., M.I.E.E., Head of the Department of Electrical Engineering at the University pf Sheffield.

The Colliery Guardian Company Limited, 30 & 31, Furnival Street, Holborn, London, E.C.

ANTHRACITE COAL

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.

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LTD., j

BRIDGEND, )

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