October 25, 1918.

THE COLLIERY GUARDIAN.

[supplement PAGE I.]

879

British Manufacture. Best Quality at Lowest Prices.
Every description either separate or in cases.

SPECIAL 12 in. CARDHOARD PROTRACTOR,
reading to i°, at 3«., postage Sp packing la.

ILLUSTRATED CATALOGUE ON APPLICATION.

WU MARI I NR Mathematical Drawing and Surveying

■ n. IlMnUiniUj Instrument Manufacturer.

47, Finsbury Pavement, London, E.C. 2

Established 1851.	Factory—UPPER CLAPTON, N.E.

THE WESTOOL ELECTRIC DRILL,

for Wood, Iron and Steel.

Standard sizes.

Capacity in
Steel.

No. I £ in.
No. 2 I in.
No. 3 li in.

Write for
descriptive
Leaflet.

Entirely
British made.

THE WESTMINSTER TOOL & ELECTRIC CO.

Suffolk House, Laurence Pountney Hill, Cannon St., London, E.C. 4.
Telegrams—“ Westolelco-Cannon, London.

A

Sole Makers-

A- J



Structural Steelwork

Steel Framed Buildings,
Roof Principals.

BRIDGES,
GANTRYS,
RUNWAYS,
BUNKERS,
HOPPERS,
PIT HEAD FRAMING.

Brierley Hill, Staffs.

***

&

1

Willcox’s Oils

COLLIERY
ENGINEERS’ STORES
of every description.

Illustrated Lists
will be gladly sent upon
receipt of application.

Super - Qualities for
all Colliery, Lighting
and Power Plants.

OILS

DELIVERIES ACCORDING TO M.O.M. CLASSIFICATIONS, PERMITS, &=.

W. H. WILLCOX & CO. LTD., 32 to 38, Southwark Street, London, S.E. 1.

Semet-Solvay Coke Ovens

SECTION OF OVEN

SHOWING SOLID CONSTRUCTION.

Strongest in Design.

Separate sets of flues to each oven.

Very low Maintenance Cost.

With “DIRECT” AMMONIA RECOVERY
PLANT, Complete Benzol and Toluol Plant
and Tar Distillation Plant.

THE COKE OVEN CONSTBUCTION CO. Is

Howard Chambers, 155, Norfolk Street, SHEFFIELD.