February 7, 1913

THE COLLIERY GUARDIAN.

301

KEITH FANS for MINE VENTILATION.

THE DESIGN OF THE KEITH FAN RUNNER
. . . . ASSURES EXCEPTIONAL . . . .
STRENGTH, RELIABILITY AND EFFICIENCY.



SINGLE INLET KEITH FAN RUNNER.

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KEITH FANS ARE ALSO EXTENSIVELY USED
FOR INDUCED DRAFT, DUST AND SMOKE
REMOVAL, AUXILIARY VENTILATION, ETC.

JAMES KEITH BLACKMAN & CO. LTD.,

27, FARRINGDON AVENUE, LONDON.

And at MANCHESTER, LEEDS, BIRMINGHAM, NEWCASTLE, GLASGOW, &c.