1108

THE COLLIERY GUARDIAN.

May 22, 1914.

_______

ANDYCROFT Ltd.

CHESTER.

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1,200 H.P. DOUBLE DRUM WINDER.

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PERFECT CONTROL OF DECKING IS OBTAINED BY OUR
CASCADE SYSTEM, THE PEAK LOAD IS REDUCED, AND
ACCELERATION LOSSES HALVED. TWO SPEEDS ARE
AVAILABLE WITHOUT OPENING STATOR CIRCUIT.

The IDEAL Machine for Producing

STONE-DUST.

“TREFOR”

BORING and

Coaldust Explosions Praventative.

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RICHARD SCHOLEFIELD
. . g/iintfEER

. LEEDS ENG..





Correct Proportions of Dust in one operation.
Z= VARYING OUTPUTS.

DON’T take risks

Write NOW.

Particulars on application—

RICHARD SCHOLEFIELD,

Engineer,
Burley Vale Foundry, LEEDS.

MINING.Co. Ltd

(Soci6te Anonyme de Forage et
Entreprises Minieres),

41, RUE ROYALE, BRUXELLES.

CONTRACTORS FOR

DEEP BORINGS.

Wells drilled for petroleum
in all parts of the world.

Special outfit for coal borings to any
depth and of any diameter (Vogt’s
Patents).

BREJCHA’S PATENTS.

Boring to any depth without casings
and without reduction of diameter.
Speed record in England: Boring
Heswall (Cheshire), 3,400 feet in eight
months.

Shafts sunk by freezing
method

Shafts sunk by cementing the watery
grounds (cementing and sinking
simultaneously).

BORINGS MADE IN ENGLAND TO-DAY.

Heswall (Cheshire) ...	______

Furnace End (Warwickshire)

Maidensole (Kent) ____________

Oxne.y (Kent) _________________

Bishopsbourne (Kent)____________

Ash (Kent)______________________

Great Missenden (Buckinghamshire)

3,416 ft.
1,600 „
3,823 ,,
3,800 „
3,225 „
1,966 „
1,264 „