August 23, 1918.

THE COLLIERY GUARDIAN.

[supplement PAGE VII.]

411

MUNITIONS

IRON, STEEL, BURNT METAL,
TURNINGS, AND ANY OBSOLETE PLANT.

SHEFFIELD.

'PHONE: No., 830 & 833 (three lines).

TELEGRAMS: “STABILITY,SHEFFIELD.”

BALDWIN’S

THE

KOPPERS’ PATENT

BYE-PRODUCT COKE OVENS

AND

NEW SYSTEM OF RECOVERING THE
BYE-PRODUCTS

GIVE RESULTS WHICH HAVE NEVER BEEN
EQUALLED BY ANY OTHER SYSTEM.

See large advertisement appearing in alternate
issues of this Journal.

All communications to be addressed to—

THE KOPPERS’ COKE OVEN & BY-PRODUCT CO.,
301, Glossop Road, Sheffield.

Tel. No. 1935.	Tel. Address—“ Kochs, Sheffield.**

SOUND INVESTMENT.

Food for your Horses prepared!
in half time with half labour.

Installations can be seen from 5 cwt. to 5 tons per hour.

Telephone—3241 (2 lines).	Telegrams—'* Elevator, Leeds.”

GEORGE PORTEUS,

Engineer, IjEjEjDS.

ORME ROD’S

IMPROVED

PATENT SAFETY

LINKS

For the effectual prevention
of Accidents from Over-
winding.

THE BEST AND MOST RELIABLE
SAFETY DETACHINC HOOK
YET INVENTED.

Advantages and full particulars
on application.

Sizes up to 10 Tons working
load in Stock or Progress.

DIPLOMAS OF HONOUR AWARDED
TORONTO, LONDON & OTTAWA,
CANADA, August, September and
October, 1898.

PATENTEE SOLE MANUFACTURER—

EDWARD ORMEROD,

Atherton, nr. Manchester.

THE ORIGINAL

TUBE FLOAT.

For HIGH STEAM and LOW WATER
SAFETY VALVES and ALARMS.

Absolute
Safety is
assured.

Over 1,200
Tube Floats
Sold.

We specialise
in Valves
and Boiler
Mountings.

It’s made in the Steam Users’ Interest,

SEND FOR CATALOGUE, FREE.	Est. 1877

Over 2.000 British Steam Users are now using
the Baldwin " BETALL ’* Valves.

JAMES BALDWIN & CO., KEIGHLEY,

Engineers and Founders.



LIMITED,	MANCHESTER.

GALLOWAY PATENT BOILERS.

ENGINES; BOILERS

FOR

COLLIERIES, STEELWORKS, FACTORIES, PUMPING, &C.

Write for Particulars.

Just published. Royal 8vo. 850 pages, with 150 Illustrations. Price £S> 3s. net.

EXPLOSIVES.

A PRACTICAL TREATISE by

Capt. E. de W. S. COLVER, Dr. Met., F.C.S., &c.,

Attached Ministry of Munitions of War; Superintendent of Research at a National Shell Filling
Factory; formerly Research Demonstrator in the University of Sheffield.

A Record of all available information regarding the manufacture, properties and uses of
High Explosives, with details of the processes and plant involved, and a short description
of the sources and recovery of the raw materials required.

Complete Prospectus on Application.

London: CROSBY LOCKWOOD & SON, 7, Stationers’ Hall Court, E.C. 4.

SEVER, DORLING & CO. L™

Bowling Iron Works, BRADFORD.

Telegrams—“ FOUNDRY, BBADFOED.”	Telephone—1644 BBADFOED.

AGENTS

Northumberland and Durham—Mr. W. E. COWENS, Scottish Union Bldgs., 90, Pilgrim St., NEWCASTLE-ON-TYNE.
South Yorkshire, Derbyshire and Nottinghamshire—

South Wales—Mr. D. LLEWELLIN EVANS, 120 Bute Street, CARDIFF.

Manager Fan Department—R. A. YOUNG, 13, Mosley Street, NEWCASTLE-ON-TYNE.

SOLE LICENCEES FOR CAPELL FANS.

PRE-EMINENT FOR
25 years for efficiency,
strength and reliability.
New and improved
design, giving larger
outputs for same size
of fan.

-I

|jil

RESULT OF TEST.

Fan, 12 ft. 6 in. by 7 ft.

Revs., 265.

W.G., 8 in.

Cu. ft. per min., 376,000.

H.P. in air, 472.

H.P. indicated, 579.

Useful effect, 81’5 per cent

Estimates for Fans up to the largest capacities.