March 28, 1918.

THE COLLIERY GUARDIAN.

631

“ BLAKEBOROUGH ”
VALVES.

IF YOU ARE

ft

BEST FOR ALL PURPOSES.

J. BLAKEBOROUGH & SONS IT
BRIGHOUSE,
YORKS.

requiring FANS or BLOWERS
of any kind-----— let us know

and we will quote you.

COMPLETE FAN PLANTS INSTALLED FOR

MINE VENTILATION
INDUCED & FORCED
DRAUGHT, SMOKE
REMOVAL, Etc.

James Keith & Blackman Co. Ltd.

27, FARRINGDON AVENUE, LONDON, E.C.4.

Branches at
MANCHESTER, NEWCASTLE, LEEDS, Etc.



PREMIER

HIGH SPEED

FOR CUTTING

ALL METALS
"ARK AT highest speeds

& LONG ENDURANCE.

FOR TURNING,

DRILLING

PLANING AND TRADE

MILLING AT
HIGH SPEEDS.



CARBON TOOL STEELS

TWIST DRILLS,
MILLING CUTTERS,
BROACHES AND
HOBS.

HAND SCREWING

APPARATUS,

(Stocks, Dies .Taps, CLasers, etc.)

GAUGES,

MEASURING MACHINES

SIRWG. ARMSTRONG,WHITWORTH&Co.Lm

. OPENSHAW ♦ MANCHESTER

Ji—

IX*



Telephone:-6480, central(six lines)

telegrams:- whitworth.openshaw.