March 9, 191 1] 



NATURE 



57 



V. E. Johnson, illustrated; The Corliss Engine, J. T. 

 Henthorn and C. D. Thurber, illustrated ; Handbook of 

 Cost Data, H. P. Gillette, for contractors and engineers, 

 illustrated ; Well-boring for Water, Brine, and Oil, C. 

 Isler, new edition, revised and enlarged ; illustrated ; 

 Millinef Machines and Milling Practice, a Practical Manual 

 for the Use of Manufacturers, Engineering Students, and 

 Practical Men, D. De Vries, illustrated. Whittaher and 

 Co. — Elementary Aeronautics, or the Science and Practice 

 of Aerial Machines, A. P. Thurston ; The Practical Design 

 of Reinforced Concrete Beams and Columns, W. N. 

 Twelvetrees ; Ventilation of Electrical Machinery, W. H. F. 

 Murdoch ; Design of Alternating Current Machinery, J. R. 

 Barr. John Wiley and Sons (New York). — Railway Station 

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 Saunders ; Pumpintj Machinery, A. M. Greene, jun. ; Notes 

 on Plate Girder Design, C. W. Hudson. Williams and 

 Worgate. — How to Build an Aeroplane, R. Petit, translated 

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Geography and Travel. 



A. and C. Black. — Geographical Pictures : Land Forms 

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 Australasia. Constable and Co., Ltd. — Adventure, Sport 

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 Fletcher, illustrated. The Oxford University Press. — 

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North 



Dulau 



Hants, 



appen- 



Echino- 



Geology. 



Constable and Co., Ltd. — The Stone Age 

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Mathematical and Physical Science. 



A. and C. Black. — Practical Physics, a Text-book for 

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 Climatic Control. L. C. W. Bonacina, illustrated. • Cassell 

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NO. 2158, VOL. 86] 



B. H. Burgel, translated by S. Bloch, illustrated. John 

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Medical Science. 



Edward Arnold. — A Pocket-book of Treatment, Dr. 

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