n8 



NATURE 



[October io, igi8 



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 and O < ine Dyestuffs, Dr. J. T. Hewitt; Synthetic 

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 M. A. Whiteley); and a new edition of Recenl Ad- 

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 with an introduction by Prof. J. Norman Collie. 



I niversity oj London Press, Ltd. Everyman's 

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Engineering. 

 Benn Bro .. Ltd. Phi Electrician Series: Elec- 

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 second and enlarged edition of Electric ( iranes and 

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II. II. Higbii . 



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1.. Griggs (Highways and B eries). 



NO. 2554, VOL. I02] 



Mathematical and Physicai Sciences. 

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Mi 1 \i 1 URGY. 

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MlS( El 1 VNEOUS. 



Constable and ('<>.. I. id. — Dictionary of Scientific 

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