December 10, 1915.

THE COLLIERY GUARDIAN.

1217

		 THE 	

Coppers’ 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’ OVENS.

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.

— Pull particulars on application to ----

The Koppers’ Coke Oven and Bye-Product Co.

301, GLOSSOP ROAD, SHEFFIELD. -ISHTX.'SSS.-

ATLAS MINING OUTFIT CO., Willenhall.

----------■* Specialities: ►---

STEEL PROPS & JIG CONVEYORS.

Our experts will
show you how

REDUCE
YOUR
TIMBER BILL.

No labour troubles,
workmen prefer
them.

They won’t have the
wood props after
they have used the
Atlas Prop.

CEMENTATION

Shaft Sinking and Drift Driving
through any kind of Water-bearing
Measures, by Improved Patent Cement-
ation and Chemical Processes.

Concrete Lining a speciality.

Feeders of water existing in Shafts or
Levels treated.

Seventeen Shafts already cemented in
England in the last two years.

Complete Estimates given on application.

Photograph taken in a 3 ft. 6 in. seam of a Yorkshire Colliery.

BAD ROOF, FULL OF SLIPS, ROLLS, &C.

ALBERT FRANCOIS,

Whitehouse Chambers, DONCASTER.

THOMPSON & CO.,

■ WIGAN, ---------------------------

Iron Merchants, Metal and Mineral Agents.

RAILS OF EVERY DESCRIPTION, WITH FITTINGS COMPLETE,

FOR COLLIERIES, CONTRACTORS, «&c.

SOLE AGENTS IN THE DISTRICT FOR THE SALE OF

Wigan Coal & Iron Co.’s Siemens Steel Billets, Blooms, Bars, Angles, Bails, Sc.

SPECIALITY: STEEL FOR WAGON COUPLINGS.

K. H. FORGE, FOUNDRY & BASIC PIG IRON. Also Spiegeleisen, Ferro-Manganese & Silico Spiegel.

Ex°!osives 'Geli0nite’ Polarite> Dynobel, Ajax Powder, Monobel No. 1, Cambrite, Victor Powder and
Co.Oftrf?S ?A1 Monobel; also Detonators, Electric Detonator Fuses, and all Blasting Appliances.

H aggie Brothers Ld. Wire & Hemp Ropes.

POOLEY’S PATENT WEIGHING MACHINES.

Telegraphic Address—“SPIEGEL, WIGAN.”

TyrAPS of the British Coalfields.

1. Scotland. 2. North of England. 3. South Wales. 4. North
Midlands. 5. South Midlands. Sheet, 4e. each: Mounted on Cloth on
Rollers. or in Case. 6b.each.-THE COLLIERY GUARDIAN CO. LTD.

30 A 31 Furnival-street, Holborn. London. E.O.

FOR

SALE

OR

HIRE.

Hire
terms
fur-
nished
on
Sn.

NAYLOR’S APPROVED
BIFOLD MARSAUT LAMP.
Gives the best light, is the best
Gas Detector, and the Safest
Flame Lamp procurable.

NEW MINES ACT.

Approved
Miners’ Lamps
TO MEET ALL
REQUIREMENTS OF
THE ACT.

Arranged for Electric
Ignition and with Mag-
netic Lock. Particulars
furnished on application.
Demonstrations arranged
by appointment.

J. H. NAYLOR,

Central Brass Works,
Established 1861. WIGAN.