PHILOSOPHICAL TRANSACTIONS 
OF THE 
EOYAL SOCIETY OF LONDON 
Series A, VOL. 201, pp. 435-455. 
ON THE DEPENDENCE OF THE REFRACTIVE 
INDEX OF OASES ON TEMPERATURE 
BY 
(4EORGE W. WALKER, M.A., A.R.C.Sc., 
FELLOW OF TRINITY COLLEGE, CAMBRIDOE. 
A 341. 
LONDON: 
PUBLISHED FOR THE ROYAL SOCIETY 
BY DULAU AND CO., 37, SOHO SQUAP.E, W. 
CONTINENTAL AGENTS, MESSRS FEIEDLANDER AND SON, BERLIN. 
1903. 
Price One ShilUnfj nnil Sixpence. 
4 
H.7.03 
> AT”-; ■ 
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