September 6, 1918.

THE COLLIERY GUARDIAN.

[SUPPLEMEXT PAGE VII.]

519

THE

STRONGEST

PERMITTED

DYNOBEL

No. 3.

ARRANGE TRIALS

WITH

NOBEL’S EXPLOSIVES CO. LTD.,

GLASGOW.

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.

John Russell & Co. Ltd.,
Alma Tufee Works, WALSALL.

For Gas, Steam, Water, &c.

WELDLESS STEEL TUBES for ENGINEERS, 4c.

All communications to be addressed to—

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

Tel. No. 1935.	Tel. Address—“ Kochs, Sheffield."’

ORMEROD’S

IMPROVED

PATENT SAFETY

LINKS

For the effectual prevention
of Accidents from Over-
winding.

THE BEST AND MOST RELIABLE
SAFETY DETACHING 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.

SEVER, DORLING & CO. LT“

Bowling Iron Works, BRADFORD.

Telegrams-“FOUNDRY, BRADFORD.”	Telephone—1644 BRADFORD.

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.

PATENTEE SOLE MANUFACTURER—

EDWARD ORMEROD,

Atherton, nr. Manchester.

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

8|B
-/MW'



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.