662

THE COLLIERY GUARDIAN.

October 1, 1915.

NEW BRITISH PERMITTEDS

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BRITISHEXPLOSIVES SYNDICATEL™\
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THAMES POWDER N?2

Charge Limit 22 Ounces
NEEDS NO THAWING

BBTONITE N°O

Charge Limit 24 Ounces

THE EXPLOSIVE FOR COAL

WALKER BROS. (Wigan) Ltd.,

A PAIR OF COMPOUND CORLISS TWO-STAGE
AIR COMPRESSING ENGINES

Air Compressing and
Blowing Engines,

with LIGHT DISC VALVES to
NEW PATENTS.

TWIN TANDEM COMPOUND WINDING
ENGINES.

“INDESTRUCTIBLE" TYPE VENTILATING FANS for Steam or Electric Driving.

WINDING, HAULING AND GENERAL MINING MACHINERY.

PAGEFIELD IRONWORKS, WIGAN.	NEW BROAD STREET HOUSE, E.C.

SELF-CONniNED MILL Producing

BUOYANT, MIXED or COARSE

Dust at one Operation, from
Run of Mine Shale.

20 MILLS
SOLD THIS YEAR.

Several Repeat Orders.

WM. JOHNSON & SONS (LEEDS) LTD., Armley, Leeds

Specialities : CRUSHING, GRINDING and SCREENING, BRIQUETTING, CEMENT and BRICKMAKING MACHINERY.