__	___	_____	__	________ __	_____

THE BRITISH EXPLOSIVES SYNDICATE, 1™

, have had the uridernoted.Explosives added to theEermitted List >

452

THE COLLIERY GUARDIAN.

______
...

August 28, 1914

CHARGE LIMIT TT f »^TTI JTTt PENDULUM SWING
16oz HLKCULllt 272in

CHARGE LIMIT Til 1 > ff C	PENDULUM SWING

32 oz In AMD rUWDtK^

Uhese Explosives ate specially suited lor use in stone or hard coat,
ohames Tousder does not require to be thawed.

HEAD OFFICE:-

124 St.Vincent Street, GLASGOW.

AGENCIES IN ALL THE COLLIERY DISTRICTS

The IDEAL Machine for Producing

“TREFOR 1

STONE-DUST.

BORING and

Coaldust Explosions Preventative.

MINING Go. Ltd

H

.ggBiPt

• Lt '	•

Saks---

ihwh<’«

RICHARD SCHOLEFIELD

" engineer

■ \IEEDb ENG.











Correct Proportions of Dust in one operation.

", VARYING OUTPUTS.	"

DON'T take risks

Write NOW.

Particulars on application—

RICHARD SCHOLEFIELD,

Engineer,

Burley Vale Foundry, LEEDS.

(Soci6t£ Anonyme de Eorage 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) ____________

Oxney (Kent) _________________

Bishopsbourne (Kent)____________

Ash (Kent)______________________

Great Missenden (Buckinghamshire)

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