1192

THE COLLIERY GUARDIAN.

June 22, 1917.

The CONSUMMATE EVAPORATIVE CONDENSER for Steam Engines.

Saving In coal effected—60 tons per week.

	

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CENTRAL CONDENSING PLANT
dealing with the exhaust steam from
Winding Engines, Fan Engine, 600 K.W.
Power Plant, and Screen Engine.

Coal Consumption reduced 30 Z - Water Consumption reduced 50 X - Increased Power Output 30 I
Estimates ‘an^cx^Bookiet. EDW“ DEANE & BEAL Ltd., Engineers. 676, Old Kent Road, London, S.E.

TURBON.

The LATEST THING in FANS.

Equally suitable for Mine Ventilation, forced and induced
draught, or any other purpose.

Great strength, simplicity and silence.

Highest efficiency. Perfect balance at all speeds.

Suitable for all pressures.

Resists high temperatures without distortion.

No rivets in blades.

Manufactured by THE WADDLE PATENT FAN CO. LTD.,

-------------- FOR THE -

TURBON PATENT FAN CO. LTD.,

Addre.B-	yr TrxrW W"

34, Viotorla Street. S.W.	M «

——-------- SUTCLIFFES -------------------

COAL CUTTERS,

DiSC & CHAIN TYPES, light or heavy pattern, for thin or thick
seams, with shallow or deep cuts. Compressed Air or Electrical Drive.

Coal-Face Conveyors, unrivalled in capacity, constant in work,
noiseless in the face and most easily moved forward.

Roadway Conveyors, which are moved freely from the face to admit
ripping in the gateway.

Hauling Gear, to keep a constant supply of tubs between the engine plane
and coal face with instantaneous extension of endless rope.

Wire Belting, for conveyors of all kinds.

Thomson’s Non-Overwind, simplest, safest, surest, and cheapest.

Sutcliffe’s Universal Sounding and Displaying

Signalling Apparatus, fully complying with Regulation 95
of the Mines Act.

NOTE.—The above machinery is all patented or protected, and m.iers
or users of Infringing* articles will be liable to be prosecuted.

FULL PARTICULARS FROM

RICHARD SUTCLIFFE,

Universal Works, H ORB URY, WAKEFIELD, England.

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AID	JOHN BAKER & SON.

Mila R I r P Sb	IRON AND STEEL WORKERS

fl 19 law	Thompson St., B1LSTON

TUB CORNER PLATES

BUCKETS and BASKETS

ELECTRIC CIRCUIT PROBLEMS
IN MINES AND FACTORIES.

By ELLIS H. CRAPPER, B.Eng., M.I.E.E., Head of the Department of Electrical Engineering at the University of Sheffield.

The Colliery Guardian Company Limited, 30 & 31, Furnival Street, Holborn, London, E.C. 4.

THOMAS SUMMERSON & SONS LTD.,
ALBERT WORKS, DARLINGTON.

MANUFACTURERS of SWITCHES

Chairs, Spikes, Fish Plates, Iron

FISH PLATES and BOLTS for various sections

SANKEY

Fireproof Steel Storage Bins.

For Workshop & Warehouse.

Write for details.

Joseph Sankey & Sons, Ltd.,

Hadley Castle Works,

Wellington,	Shropshire.

R. GRAESSER Ltd., "SE* RUABON.

BLACK VARNISH

CONTRACTORS TO BRITISH AND OTHER GOVERNMENTS.

Telegrams:	Established 1867.	Telephone:

“ Graesser, Ruabon.” Code ABC 5th Edition. 3 Ruabon.

A Practical Handbook for Colliery Electricians.

Sidings

Contracted for

Complete.

and CROSSINGS,
and Steel Castings.

of Rail kept in Stock.

MACHINE CUT GEARING.

Double Helical Staggered or Chevron.

Reducing Gears. Haulage Gears.
Time Recorders & Recording Instruments.

Watchmen’s Watches.

THE LEWELLYN MACHINE CO., Bristol.

SAFETY FIRST BELT RIGS,
Suitable for every Pit Shaft, Scaffold, Quarryman.

LIGHT, If to 2| lbs. weight, and comfortable consis- tent with strength.  STRONG, 4,000 to 6,000 lbs. section strength,  HOLD men right by their strong parts only.  CHEAP, £7 to £ 13 per doz.  SAVES a man’s life and 250 injury costs.	Waj	IIJ	

A. HANLEY, Thirimere, SHEFFIELD.

“THE SOUTH WALES COAL-FIELD.”—PART III.

By HENRY K. JORDAN. F.G S (Past President and First Gold Medallist
of the South Wales Institute of Engineers).

rpHIS Paper completes the author’s monograph on the South Wales
-1- Coal-Field, and is published by the South Wales Institute of Enginers.
It comprises 89 pages of printed matter, with a number of Sections inter-
leaved, and the following large drawings which are issued separately:—

1.	A Horizontal Section across the Carmarthenshire Coal-Field,

from Pontyberem to the Sea near Llanelly. 1 he Section is
Aya feet in length, mounted on linen, and geologically coloured.

2.	A Map on the Six-inch Scale of the Anthracite Area of Llan-

non, Mynydd-Sylen, and Pontyberem. It also illustrates the
(>utcr< ps of the Seams, Faults, &c.

Three Sheets of Vertical Sections of the Deep and Important
New Collieries that have been Sunk throughout the Coal-
Field during* the Past Six Years. The Sections are drawn to a
scale of 100 ft. to 1 in., and the sheets are 40x27 in., mounted on linen.
The first portion of the text deals with the anthracite area and with the
Pennant seams to the north and west of Llanelly and Burry Port. The
remaining portion discusses the new collieries in Glamorganshire and
Monmouthshire, with much additional information which brings the
subject up to date.

A limited number of the above are for sale, price £ 2 2s. (postage extra),
and may be obtained from THE SECRETARY,

The South Wales Institute of Engineers, Cardiff.

“The South Wales Coal-Field,” Part I., by Mr. H. K Jordan, price
£2 2a., dealing with the eastern half of the Coal Field; and “ The South
Wales Coal-Field ” Part II., by Mr. H. K. Jordan, price £1 Is., dealing
with the western half of the Coal-Field, may be obtained from the Secretary