May 16, 1913.

THE COLLIERY GUARDIAN.

1031

____

WALKER BROS. WIGAN L"

Pagefleld Ironworks, WIGAN. New Broad Street House, LONDON.

• 'M.

Pair Compound Corliss Steam Two Stage Air
Compressing Engines.

Pair Two Stage Air Compressing Engines
for Belt Drive.



NEW PATENT DISC VALVES FOR

AIR COMPRESSING & BLOWING ENGINES.

HIGH EFFICIENCY AND LARGE OUTPUT.

JVpplicable to existing Installations.

Triple Expansion Driving Engine with Corliss Yalve Gear.

“ INDESTRUCTIBLE ” TYPE VENTILATING FANS

FOR STEAM OR MOTOR DRIVING.

EASY MEANS FOR REVERSING AIR CURRENT.

-

U ’ F

Twin Tandem Compound Winding Engines.

Horizontal Winding Engines with Two Non-Compound Cylinders

WINDING, HAULING AND GENERAL MINING MACHINERY.

'Wilde &> Petries’ Patent Overwind and Overspeed Device.