THE COLLIERY GUARDIAN.

December 24, 1914.

GEORGE FLETCHER & CO. Ltd., Derby,

Colliery Engineers,

PIT PROPS in Cast Iron or Mild Steel.

PROMPT DELIVERIES.

SEND US YOUR REQUIREMENTS.

Makers of all kinds of Colliery Equipment.

PERFORATED STEEL

HAMMERED

THE STANDARD PISTON RING

& ENGINEERING CO. LTD.,

All sizes from 2| in. to 72 in.

QUICK DELIVERY. LOW PRICES. N<x 2149.	“ Ocean, Sheffield.”

PISTON RINGS

Special Piston Ring
Iron (by the Davy-
Robertson Patent
Process).

Premier Works,

Don Road,

SHEFFIELD

For COAL WASHING, &c.

WIRE MESH AND WIRE GAUZE.

TROMMELS, CONVEYOR BUCKETS, &C.

W. BARNS & SON,

GLOBE WORKS, Queensland Road, HOLLOWAY, LONDON, N.

Telegrams—” PERFORATION, LONDON.”

STEAM, MOTOR, BELT, OR ROPE=DRIVEN

AIR COMPRESSORS

From 50 to 15,000 cubic feet

FOR

COLLIERIES, MINES, Etc.

ADVANTAGES

SIMPLICITY.

RELIABILITY.

SELF-LUBRICATION.

SMALL FLOOR SPACE.

ADVANTAGES •-

DURABILITY.

HIGH EFFICIENCY.

BEST WORKMANSHIP.

MINIMUM MAINTENANCE



One of Two 1,400 c.f. Air Compressors in De Beers Mines S.A.

BELLISS & MORCOM LIMITED,

Telegrams :
“BELLISS, BIRMINGHAM.”

BIRMINGHAM.

London Office :

8, VICTORIA STREET, S.W.

MINES ACT.

MAPS of the BRITISH COALFIELDS.

Showing the Position of Collieries with regard to Railway
Communications, Canals and Shipping Ports.

T. B. WINTER & SON, 21,Grey St., Newcastle-on-Tyne.
Self-registering and Daglish Water Gauges, Anemometers,
Hygrometers, Theodolites, Mining- Dials.

Established 1832. Catalogues Free.	Telephone—4926 Central.

Scale 3 miles to an inch. (1) Scotland. (2) North of England
(3) South Wales. (4) North Midlands. (5) South Midlands.

In sheet ________________________________	4s. each.

Mounted on Cloth, Rollers and Varnished	...	6s. „

Mounted on Cloth, and in Titled Cloth Case ..	6s. „

Published jointly by THE COLLIERY GUARDIAN CO. LTD., and
Messrs. W. & A. K. JOHNSTON, 30 & 31, Furnival Street, London, E C.

vMe ^^x^’^^^^cientifical 1 y made to

/YTYTTr*	suit YOUR working condi-

DlMlrS tions, therefore giving highest
HVP**	possible efficiency.

"■W"" GEO. CRADOCK & Co. Ltd.,

WAKEFIELD.

The only British Finn man-lecturing
complete from pin »r»

Printed and Published by the Proprietors, The Collijry Guardian Company Limited, 30 & 31, Furnival Street, Holborn, London, E.C. Thursday, December 24, 1914.