June 5, 1914.

THE COLLIERY GUARDIAN.

1275

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. (Lond.), &c.

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.

CONTEXTS.

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.

THE COLLIERY GUARDIAN COMPANY LTD.,
30 & 31, Furnival Street, Holborn, London, E.C.

\	---- ' HEYWOOD & BRIDGES PATENT ' '	1 ' ■- /

FRICTsQN CLUTCH INSTflLOTIONS

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Plants can be seen working in London and Provinces.

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AULD’S PATENT

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DAVID AULD & SONS.

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------ PATENTEES 3k SOLE MAKERS	- x

• z DAVID BRIDGE CO. LTD.

CASTLETON, MANCHESTER. London, 35,Queen Victoria St. E.C.

HAVE SINCE RECEIVED
REPEAT ORDERS







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“SHELTON” STEEL U“.)

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Photographs, Prices and Specifi-
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Telegraphic Address—“ Peckett, Bristol.’
Telephone—No. 6 Fishponds.

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First class at competitive prices.

ROWLAND C. FOOT & Co. 11, Queen Victoria St., London, E.C

ESTABLISHED 1864.

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Established 50 Years.

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