Supplement to “ Nature,” June 23, 1923 v 

Recent Scientific and Technical Books. 
Volumes marked with an asterisk have been recetved at ‘*NATURE” Office. 
Mathematics 
Bally, kK. Principes et premiers développements de 
géométrie générale synthétique moderne. Roy. 8vo. Pp. 
viii+218. (Paris: Gauthier-Villars et Cie, 1922.) 
20 francs.* 
Barker, W.H. The “ Akribos’’ Pocket Card of Four 
Figure Logarithmic and other Tables. 5% in. x 3} in. 
(London:: Philip and Tacey, Ltd., 1923.) 2d. net.* 
Bryant, V.S. Introduction to Practical Mathematics. 
Cr. 8vo. Pp. 95. (Oxford: Clarendon Press ;° London: 
Oxford University Press, 1923.) 2s. 6d. net.* 
Dickson, L. E., Mitchell, H. H., Vandiver, H. S., 
and Wahlin, G. E. Algebraic Numbers: Report of the 
Committee on Algebraic Numbers. (Bulletin of the 
National Research Council, Vol. 5, Part 3, No. 28.) Sup. 
Roy. 8vo. Pp. 96. (Washington: National Academy 
of Sciences, 1923.) 1.50 dollars.* 
Dingler, H. Das Problem des absoluten Raumes: 
in historisch-kritischer Behandlung. Pp. 50. (Leipzig: 
S. Hirzel, 1923.) Grundzahl: 1.50 marks. 
Eisenhart, L. P. Transformations of Surfaces. Med. 
8vo. Pp. ix+379. (Princeton: Princeton University 
Press ; London: Oxford University Press, 1923.) 20s. net.* 
Fawdry, R. C., and Durell, C. V. Calculus for 
Schools. Cr. 8vo. Pp. viii+300+xx. (London: E. 
Arnold and Co., 1923.) 6s. 6d.* 
Haslam, C. H. Modern Arithmetic. Cr. 8vo. Pp. 
68. (London: Relfe Bros., Ltd., 1923.) 3s. 6d. net. 
Haslam, C. H. The Modern Practical Arithmetic. 
Gl. 8vo. Part 1. Pp. 24. (London: Relfe Bros., Ltd., 
1923.) 5d. net. 
Kirby, R.S. Exercises in the Elements of Descriptive 
Geometry. Oblong Sup. Roy. 8vo. Pp. x+49. (New 
York: J. Wiley and Sons, Inc. ; London: Chapman and 
Hall, Ltd., 1922.) 5s. net.* 
Poradnik dla Samoukéw. Tom 3: Matematyka. 
Uzupelnienia do tomu Pierwszego. 4to. Pp. viii +192. 
(Warszawa : Im. Mianowskiego, 1923.) 10,000 marks.* 
Ricci, G., et Levi-Civita, T. Méthodes de calcul 
différentiel absolu et leurs applications. (Collection de 
Monographies scientifiques étrangéres.) Réimpression. 
Roy. 8vo. Pp. 125-201. (Paris: A. Blanchard, 1923.) 
9 francs.* 
Roy, M. Sur la théorie des surfaces portantes. (Col- 
lection “‘ Scientia,’’ No. 39.) Cr. 8vo. Pp. 130. . (Paris: 
Gauthier-Villars et Cie, 1923.) 12 francs.* 
Saunders, V. T. Practical Mathematics. Feap. 4to. 
Pp. 46. (London: G. Bell and Sons, Ltd., 1923.) 1s. 6d.* 
Mechanics: Mechanical Engineering 
Aeronautical Research Committee: Reports and 
Memoranda. No. 753: Investigations of the Wind 
Forces and Movements acting on Models, ,\, scale, of the 
Caquot Kite Balloon. 1s. 3d. net. No. 795: Prevention 
of Fire in Single-engined Aeroplanes. 1s. net. No. 796: 
Possible Causes of Fire in an Aeroplane Crash. ts. 6d. 
net. No. 805: Some Calculations dealing with the 
disturbed Motion of an Aeroplane. 6d. net. No. 808: 
Pressure Plotting on Fin and Rudder of a Model of R32. 
2s. net. No. 812: Experiments on Rigid Airship R32. 
Part 2: Controllability and Turning Trials. 1s. net. No. 
815: Measurement of Normal Force and Pitching Movement 
on Rigid Airship R33. 1s. 3d. net. No, 816: Comparison 
between the Aero-dynamic Properties of Two Aerofoils 
of the same Section, but with Square and Rounded 
Wing Tips respectively. 6d. net. No. 817: Wind 
Tunnel Tests on a Fokkar Biplane. 3d. net. (London: 
H.M. Stationery Office, 1923.) 
Besnerais, M. le. Théorie du navire. 
Armand Colin.) Fcap. 8vo. Tome I. 
A. Colin, 1923.) 5 francs, 
(Collection 
Pp. 162. (Paris: 
Pp. 810+10 planches. 
Coleman, G.S. Hydraulics applied to Sewer Design. 
Demy 8vo. Pp. viii+150. (London: C. Lockwood 
and Son, 1923.) tos. 6d. net.* 
Cooper, the late G. S. By-product Coking. Second 
edition, enlarged and completely revised by E. M. Myers. 
Demy 8vo. Pp. xv +192. (London: Benn Bros., Ltd., 
1923.) 12s. 6d. net.* 
Cormac, P. A Treatise on Engine Balance using Ex- 
ponentials. Demy 8vo. Pp. xi+151. (London: Chapman 
and Hall, Ltd., 1923.) 21s. net.* 
Cunningham, B. The Dock and Harbour Engineer’s 
Reference Book: Notes on Various Matters connected 
with Maritime Engineering and Ports and Harbours. 
Second edition, revised. Fceap.8vo. Pp. 325. (London: 
C. Griffin and Co., Ltd., 1923.) 9s. net. 
Department of Scientific and Industrial Research : 
Food Investigation Board. Special Report No. 15 by 
the Engineering Committee of the Board. Insulated and 
Refrigerator Barges for the Carriage of Perishable Foods. 
Roy. .8vo. Pp. iii+21. (London: H.M. Stationery 
Office, 1923.) 1s. net.* 
Dommett, W. E. Motor Car Mechanism. 
way Engineering Handbooks, Vol. 8.) Second revised 
and enlarged edition. Cr. 8vo. Pp. viii+254. (London: 
Scott, Greenwood and Son, 1923.) 8s. 6d. net. 
Emperger, F., Herausgegeben von. Handbuch fiir 
Eisenbetonbau. Dritte, neu bearbeitete Auflage in 14 
Banden. Band 5: Fliissigkeitsbehalter, Rohren, Kanale. 
(Berlin: W. Ernst und Sohn, 1923.) Grundzahl; 16.20 
marks. 
Fremont, Ch. Le marteau, le choc, le marteau pneu- 
matique. (Etudes expérimentales de technologie in- 
dustrielle, 64° Mémoire.) Demy 4to. Pp. 194. (Paris: 
chez l’auteur, 25 rue du Simplon, 1923.) 
Izart, J. Aide-mémoire de l'ingénieur mécanicien : 
Recueil pratique de formules, tables et renseignements 
usuels. 4° édition. Ex. Cr. 8vo. Pp. xxvi+1125. 
(Paris: Libr. Dunod, 1923.) 
Kempe, H. R., and Smith, W. H., Edited by. The 
Engineer’s Year Book of Formulae, Rules, Tables, Data and 
Memoranda for 1923: a Compendium of the Modern 
Practice of Civil, Mechanical, Electrical, Marine, Gas, 
(Broad- 
Aero, Mine, and Metallurgical Engineering. (Thirtieth 
year of publication.) Gl. 8vo. Pp. 2882. (London: 
C. Lockwood and Son, 1923.) 30s. net. 
Larrouy, M. Le Ballon et l’avion; la route aérienne. 
(Collection Armand Colin.) Feap,8vo. Pp.216. (Paris: 
A. Colin, 1923.) 5 francs. 
Laubeuf, M., et Stroh, H. Sous-marins, torpilles et 
mines. (Grandes Encyclopédies industrielles.) Med. 8vo. 
(Paris: J.-B. Bailliére et fils, 
1923.) 60 francs. 
Lea, F. C. Hydraulics: for Engineers and Engineer- 
ing Students. Fourth edition. Demy 8vo. Pp. 606. 
(London: E. Arnold and Co,, 1923.) 18s. net. 
Popplewell, W. C., and Carrington, H. The Pro- 
perties of Engineering Materials. Demy 8vo. Pp. xii+ 
546 +34 plates. (London: Methuen and Co., Ltd., 1923.) 
28s. net.* 
Ricardo, H. R. The Internal-Combustion Engine. 
Sup. Roy. 8vo. Vol. 2: High-Speed Engines. Pp. vii + 
373. (London, Glasgow and Bombay: Blackie and 
Son, Ltd., 1923.) 30s. net.* 
Rylands, L. G. Examples in Mechanics: for the 
Use of Students preparing for Matriculation, Oxford and 
Cambridge Senior Local and similar Examinations. Demy 
8vo. Pp. 146. (Manchester and London: J. Heywood, 
Ltd., 1923.) 3s. 6d. net. 
Smith, C. A. Middleton, and Warren, A. G. A 
Handbook of Testing. Demy 8vo. Volume 2: The 
Theory of Prime Movers. Pp. xi+299. (London: Con- 
stable and Co., Ltd., 1923.) 22s. 6d. net. 
Steinman, D. B. A Practical Treatise on Suspension 
Bridges: their Design, Construction and Erection. Med. 
8vo. Pp. viii+204. (New York: J. Wiley and Sons, 
Inc.; London; Chapmanand Hall, Ltd., 1923.) 20s. net. 
2B4 
