January 4, 1918.

THE COLLIERY GUARDIAN.

47

---- 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

15,000 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
3oi, glossop road, Sheffield. ■Zss'Xlttz;.

ALFRED ALLEN & SON

o±	X.T’D.

COLLIERY AIR PIPES

WJfJHLPS of tilxe British Coalfields.

1. Scotland. 2. North of England. 3. South Wales. 4. Nort
Midlands. 5. South Midlands. Sheet, 4s. each; Mounted on Cloth ot
Rollers, or in Case. 6s. each.—THE COLLIERY GUARDIAN CO. LTD
30 * 31 Furnival-street, Holborn. London, E.O. 4

anti COLLIERY TUBS

In IRON, STEEL and WOOD.

Lower Gornal, nr. Dudley.

Telegrams—“Allen, Lower Gornal.” Telephone—2106 Dudley.

A and B Couplings and many others.

The 1912 lever has large lateral stops and a
wedge-shaped shouldered head.

The catch C is not essential.

Drop-Forged Shells. Drop-Forged Catches.

Drop-Forged Levers. Drop-Forged Couplings.

ILLUSTRATED CATALOGUE.

SMALLMAN patent HAULAGE CLIPS.

British Patents No. 8476 of 1906 ; No. 19533 of 1910 ;
No. 9983 of 1911 ; and No. 4362 of 1912.

Automatic Detachment. 1912 Pattern ; nine sizes.

Patentee and Sole Manufacturer:—

JAMES W. SMALLMAN, Nuneaton, England.

The PREMIER Screen in the WORLD

is Norton’s Patent Horizontal Main Screen

REQUIRES NO SPECIAL FOUNDATION.

Will work continuously WITHOUT BOLTING DOWN.

Will Screen more efficiently than any other screen.

Over 150 Screens now at work.

For PERFECT sizing & loading

USE

PULSATING CONVEYORS

AND

PULSATING LOADING JIBS

(NORTON’S PATENTS).

NORTON’S PATENT HORIZONTAL MAIN SCREEN AND COMBINED PICKING
CONVEYOR, fitted with our Patent Air Cushioning Cylinders.

The Screen illustrated is 5 ft. 6 in. wide, having four decks, and will deal with 125 tons of
coal per hour separated into four sizes, and passing the large coal without any fall to
the Picking Conveyor.

NORTONS (TIVIDALE) Ltd,
HECLA Works, Tipton, England.