January 24, 1913.

THE COLLIERY GUARDIAN.

211

--- THE -----

Koppers’ Coke Oven
has been proved to be the most successful on the market, as is evidenced by the fact that in
the comparatively short period of nine years orders for over 9,000 Ovens have been placed
with us, of which number over 4,250 are repeat orders. These orders represent a capital
cost of over

£7,500,000.

-- SIMILAR SUCCESS ATTENDS THE INTRODUCTION OF -

KOPPERS NEW SYSTEM OF

BYE-PRODUCT RECOVERY.

In the New System the Scrubbing process is entirely dispensed with, and the Ammonia is
recovered direct from the Gas in the form of Sulphate.

AD V.W NT? AO E S Ol~ NEW SYSTEM

Effluent Liquor reduced by 50 per cent, and upwards.	Consumption of Water is considerably Reduced.

Great Saving in Steam Consumption.	Less Labour Cost.

Greater Yield of Sulphate and Benzol.	Plant is Simpler to Operate, and requires less Supervision.

Plants already at work and under construction to

deal with the Gases evolved from upwards of

20,000,000

tons of coal per annum.

Telephone No. 1935*

Full Particulars on Application to—

THE KOPPERS’ COKE OVEN AND BYE-PRODUCT CO.,

301, Glossop Road, SUKFFtEL!).	•■koc^pshefkibi!J.-'-

STANLEY’S NEW PATTERN
TRANSIT THEODOLITE.

TRADE

STANLEY

The largest manufacturers of
Surveying and Drawing Instruments
in the World.

Drawing Office Stationery of all kinds supplied
on the most favourable terms.
A very large stock kept.

Please ask for our “Kia” Catalogue,
and compare our prices with those of
other first-class makers.

W. F. STANLEY * Co. Lo.

Gt. Turnstile, Holhorn, London, W.C.

Head Office & Show Rooms—
286, High Holborn, W.C.

a new COAL BREAKER.

WHITAKER’S PATENT.

Dressing

Appliances

Street

IE DRESSING.

ALL DESIGNS.

AND COAL LOADINC
LOWERING ARM.

COAL WASHING & 0

PERFORATED PLATES ir
TIPPLERS, SCREENS, PICKING
BANDS WITH AUTOMATIC

Large coal reduced to uniformly sized cobbles or nuts,
withoutjany cost for labour.

/ !

' 'Jr/









More equal and saleable cobbles made, with less slack
than by other methods.

BREAKERS MAY BE SEEN AT WORK IN SEVERAL DISTRICTS,
BY ARRANGEMENT WITH

The HARDY PATENT PICK Co. Lo..

SHEFFIELD,