April 4, 1913.

|THE COLLIERY GUARDIAN.

691

KEITH CENTRIFUGAL FANS

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THE KEITH FANS ARE OF STRONG

AND COMPACT CONSTRUCTION,
AND GIVE LONG SERVICE WITH
MINIMUM ATTENTION.

THESE FANS ARE EXTENSIVELY
USED FOR VENTILATION, INDUCED
DRAFT, DUST EXHAUSTING, SMOKE
REMOVAL, &c.

James Keith & Blackman Co. Lb-

27, Farringdon Avenue, LONDON.

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Class L.—“ Koster ” Two-Stage Compressor.



BAILEY’S “KOSTER”

AIR COMPRESSOR.

Steam, Belt, or Electric Driven.
In all sizes for all purposes.

HORIZONTAL OR VERTICAL.

Fitted with the Pioneer of all
Compressor Piston Valves.

HIGHEST EFFICIENCY.
SIMPLEST COXSTKTCTION.

LOWEST UPKEEP.

Fewer moving parts than any other. ' rily one Outlet Valve.

Some of the Principal Users.

Indian Government (four Compressors); Manchester Corporation Hydraulic Power Station;
Wvnnstav Collieries, Ruabon; Pearson & Knowles Coal and Iron Co. Ltd., Lancs. ; Ebbw Vale
Steel Iron and Coal Co. Ltd., Moss Hall Colliery Co. Ltd., Wigan, &c.; South Eastern and

Chatham Railway Company ; Lancashire and Yorkshire Railway Co., &c.

tee our Special L,ist No. 1311.

Sir W. H. BAILEY & CO.' LD., S Salford, Manchester.

ECONOMY.

FOR DURABILITY.

HOLDS THE

RECORD

OF MIGMEST

USES 50 PER CENT.
LESS STEAM THAN
ORDINARY PUMPS.

ABSOLUTELY
POSITIVE IN
ACTION.

VERTICAL OR
HORIZONTAL.

■

Fig. Id.—“ Davidson” Boiler Feed Pump.

For any Pressure with. Pistons or Bams.

BAILEY’S “DAVIDSON” PATENT

STEAM PUMP





GREAT

MINING
MACHINERY
EXHIBITION.

Previous Exhibitions
under same management
were held at the Royal
Agricultural Hall, 1903,
1904, 190b, and at . .
Olympia in 1908.

Royal Agricultural Hall, London.

Thursday, MAY 29, to Saturday, JUNE 7.

Will be opened by The Rt. Hon. the EARL OF ELLESMERE.

H. GREVILLE MONTGOMERY,

Offices: 43, Essex Street, London.

HUGH C. MONTGOMERY, Directors.

27, Brasenose Street, Manchester.