August 30, 1918.

THE COLLIERY GUARDIAN.

[supplement PAGE IX.]

467

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
15,000 KOPPERS’ OVENS.

KOPPERS’ OVENS ARE AT WORK HEATED BY
PRODUCER GAS AND BLAST FURNACE GAS.

KOPPERS’ DIRECT RECOVERY PROCESS
fS 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.,

30i, glossop road, Sheffield.

To COLLIERY PROPRIETORS, ENGINEERS, &c.

£

... .>

* - ■ < -Mr
1 4 £

Have 30 years’ manufacturing experience behind them.

Woven in one solid piece, whatever thickness.

Produced exclusively from warranted pure Asbestos.

Contain no cotton or other perishable fibre.

Are the most resilient and strongest.

Outlast many times any other existent brake-lining.

An essential equipment, guaranteeing absolute safety and
trustworthiness in all emergencies.

Send postcard for sample, prices and

terms, to the Sole Manufacturers:





CRESSWELLS’ LTD.

Wellington Mills, BRADFORD, YORKS.

New and Second-hand Machinery for Sale.

One pair 18 in. Reversing Engines ; practically new. Drums
will be fitted to buyer’s requirements.

One 300-h.p. ELECTRIC HAULAGE GEAR (no motor) ;
New. Two drums 5 ft. dia. by 2 ft. wide ; flanges 12 in. deep.

One 100-h.p. ELECTRIC HAULAGE (no motor) ; nearly
New. Two drums 5 ft. dia. by 2 ft. wide; flanges 12 in. deep.

ELECTRIC GENERATING SET, continuous current
55-k.w. Phoenix generator 500/550 volts, direct coupled on
one bedplate to high-speed double Beiliss engine ; 80 lb. per
square inch. Set includes steam separator, etc. ; in
excellent condition.

Also one Square Engine Type GENERATOR, identical with
above.

Two “ Victor ” HAULAGE ENGINES, for compressed air.
Each engine has three cylinders lOin. dia. Two drums 2ft.
dia. by 12 in. wide; flanges 7 in. deep. New (ready shortly).

Two COAL BREAKERS. “ Primus ” Patent Jaw-type
Breakers to produce Nuts without fines. Capacity 60 to
100 tons per hour. Special heavy design. New.

One Direct-driven ELECTRIC PUMP. Two plungers 3 in.
diameter by 20 in. stroke. Will boiler feed. Would be
thoroughly overhauled and put in first-class condition.

CENTRIFUGAL PUMPS, 6 in. and 4 in., always in stock.

ELEVATORS, CONVEYORS, CREEPERS, Etc., Etc.
Large stock of Chains, Buckets, Drums, Pulleys, Gear
Wheels, Chain Wheels, etc., etc.

RHONDDA ENGINEERING & MINING CO. LTD., & SHEPPARD & SONS LTD.,

BRIDGEND, GLAM.

Specialists in Coal Washing Plant, Coal Breaking, Sizing and Handling Plant, Elevators, Conveyors, Tipplers, Creepers, etc., etc.