708

THE COLLIERY GUARDIAN.

October 2, 1914.

I THE BRITISH EXPLOSIVES SYNDICATE, E?

have had the undernoted Explosives added to thebennitted List:- J

9

CHARGE LIMIT TITTfr^TTT TTHT PENDULUM SWING
i 16oz HLKLuLIIL 272in.j

CHARGE LIMIT TH BA4TC D/YWY¥TT^ PENDULUM SW1NG1
32 oz IHAMt) rUnUWvTSin



cjfiese Explosives afe specialty suited for use in stone or hard coal.
cJhames Towder does not require to be thawed.

HEAD OFFICE:-

124 St.Vincent Street, GLASGOW

AGENCIES IN ALL THE COLLIERY DISTRICTS

SURVEYING INSTRUMENTS

Davis’s

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>1

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Davis’s Surveying Instruments
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JOHN DAVIS & SON

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*	Telegrams—** Davis, Derby.” Telephone—240 Derby

Price IQs. 7d. (post free).

RECORD

OF THE

FIRST SERIES OF THE

British Coal Dust Experiments

CONDUCTED BY THE

Committee Appointed by the Mining Association of Great Britain.

A Record of the Experiments carried out during 1908 and 1909
at the Altofts Experiments Station.

208 pages. Over a hundred Illustrations and 60 Plates (Coloured).

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MAPS of the BRITISH COALFIELDS,

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Messrs. W. & A. K. JOHNSTON.

KLY MAP OF
THE
UNITED KINGDOM

THE attention of Coal Owners, Coal Ex-
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and commercial men generally is par-
ticularly called to the above Maps, which
have been specially prepared, and show the
Collieries and their position with regard to
Railway Communication, Shipping Ports
and Canals.

These Maps will be found to be of incal-
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manufacturers of Mining Specialities and all
whose business takes them to Collieries will
appreciate their value as a time and money
saver.

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