1018

THE COLLIERY GUARDIAN,

May 16, 1913

COSTENTS.

PAGE
Editorial Article .—

Memento Mori................................ 1019
Articles :—

Baths for Miners __.......................... 1007

Peebles Turbo-alternators .................__ 1010

On the Kinetic Theory of Gases ................ 1011
Nelson's Patent Longwall Coal Conveyor........ 1013
Coalmining in New Zealand ................... 1013
Institution of Mining Engineers ................ 1017
Labour and Wages............................ 1020
Obituary____________ .................................. 1021

Approved Safety Lamps ....................... 1023
Notes from South Wales....................... 1023
Mining and Other Notes ....................... 1026
Book Notices................................. 1027
Catalogues and Price Lists Received............ 1027
The Freight Market .......................... 1027
Open Contracts .............................. 1028
Abstracts of Patent Specifications Recently Accepted 1029
New Patents Connected with the Coal and Iron

Trades..................................... 1032
Government Publications ..................... 1032
Publications Received ........................ 1032
Progress

The Origin of Coal—Rubber from Coke-oven Gas—	;

Coke-oven Gas Engines in Belgium........... 1022 I

Indian and Colonial Notes .................... 1017

Workmen’s Compensation ...................... 1021

Law Intelligence ............................ 1024

Continental Mining Notes .................... 1025

Coal, Iron and Engineering Companies ........ 1029

The Coal and Iron Trades................1014—1017

The Tin-plate Trade ......................... 1017

The By-Products Trade ...................... 1019

The London Coal Trade ...................... 1022

Miscellanea :—

Orders for Rolling Stock—Hull Coal Exports—

Scottish Railway Rates .................... 1010

The General Regulations: The Signalling Code ... 1012
Partnership Dissolved—Salford Coal Contract ... 1013
Resignation of Mr. J. B. Atkinson............. 101"
Shipments of Bunker Coals .................. 1032
Midland Miners’ Relief Society—Tunnelling the

Humber .................................. 1021

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Established 1866.

Patents, Designs and Trade Marks.

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VENTILATING PANS
AND ENGINES.

Sets Advertieemet -\pvearing on front Cover of alternate Week*.

THE WADDLE PATENT FAN AND ENGINEERING GO LTD.
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BORING for MINERALS, &o.

Solid Spicimunb of thi Strata obtained.
Established 1888.	Reference if required.

Apply to	---- Work guaranteed.

J. S. DAVIDSON & SON,
St. Bees. CUMBERLAND.
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VIVIANS BORING
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WORK GUARANTEED.

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Demy Octavo, 176 pages, Cloth.	Price 6s. 3d.

45 Original Photographs and Diagrams. (post free).
_______

Miners’ Nystagmus:

Its Causes and Prevention,

By T, LISTER LLEWELLYN, M.D., B.S (Lend.),

WITH A PREFACE BY

Professor J. S. HALDANE, F.R.S., M.D.,
AND A LEGAL APPENDIX BY

DOUGLAS KNOCKER, M.B., Barrister-at=Law.
_________________

CONTENTS.

Description of the Eye—Anatomy : Physiology—(1) General
Description of the Disease—(2) Frequency and Resulting
Incapacity—(3) Historical Account of the Disease and
Theories of its Causation—(4), (5) and (6) Conditions
Determining the Occurrence of Nystagmus—(7) Diagnosis
and Prognosis—(8) The Etiology of Nystagmus—(9) Pre-
ventive Measures and Treatment—(10) Summary and
Conclusions — With Appendices: Legal Information —
Glossary—References and Bibliography—The Effects of
Deficiency of Oxygen on the Light of a Safety Lamp—
Test of Ceag Lamp.

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NEW FORMS, &c„

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Lattice Girder Bridge as per illustration,

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/ Certificated Colliery Manager for small

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SUPPLY ALL KINDS OF COLLIERY TIMBER.

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%* For other Miscellaneous Advertisements see Last White
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Forthcoming Annual Meetings.

_______

International Geological Congress—

August 21, 1913 (Toronto)
North of England Institute of Mining and Mechanical
Engineers _________________ August 2, 1913
Manchester Geological and Mining Society—

October 14, 1913
Institution of Mining Engineers—

June 5 & 6, 1913 (London)
Sept. 24, 25 & 26, 1913 (Manchester)
Midland Institute of Mining, Civil and Mechanical
Engineers _________________ July 20, 1913
Midland Counties Institution of Engineers, Sept. 1913
South Staffordshire and Warwickshire Institute of
Mining Engineers____________October 20, 1913

_______________________________

W Guadian.

LONDON, FRIDAY, MAY 16, 1913.

______________________

The average value of coal, coke and manufac-
tured fuel exported from the United Kingdom
during April was 14s. l'6d. per ton, as
compared with 13s. T8d. in April 1912 and
Ils. 36d. in April 1911.

The value during the first four completed

months of the present year is 13s. 9'8d. per ton,,
as compared with 12s. 6 2d. and Ils. 4’4d.
respectively in the corresponding periods of 1912-.
and 1911.

Of the total exports of coal during April,
the mean value of the large coal exported was
15s. 5’8d. ; through-and-through (unscreened)
coal, 12s. 21d.; and small coal, Ils. 9'3d. The
average value of all kinds of coal exported was
13s. lT8d., an increase of 3'7d. as compared
with the preceding month. Otherwise divided,
it fetched the following values:-—Steam coal,
14s. 4'8d.; gas coal, 12s. 2’5d. ; anthracite,
15s. 7'4d. ; household coal, 13s. 2Td. ; and
other sorts of coal, 12s. 3'5d. The value of the
coke exported was 19s. 9'6d. per ton, and of the
manufactured fuel 17s. 2’06d. per ton.

Mr. Redmayne’s report on the Cadeby Main
explosions has been issued. He considers that
the first explosion was due to the existence of a
fire in the neighbourhood of a fault, and he
remarks that Mr. Chambers’ instructions for

sealing off the fire, which he believes were not
carried out, were well conceived. The explosions,
he thinks, afford eloquent testimony of the value
of inert dust. As to the rescue operations, the
Chief Inspector forms a decided opinion that the
organisation at the mine on the occasion was
most defective, and he deprecates the taking of
risks to bring out dead bodies. In view of the
enquiry now being conducted, Mr. Redmayne
expresses no opinion on the general question of
spontaneous combustion in mines.

Mr. J. B. Atkinson, H.M. chief inspector of
mines for the Newcastle district, is resigning his
post to establish a practice in Newcastle as a
consulting' mining engineer.

We regret to state that Mr. J. Buckingham

Ct	n

Pope, chairman of the Denaby and Cadeby