Calendar: 1930-1931 Page 500

BLACKIE SON LIMITED Sound Waves and their Uses Six lectures delivered before juvenile audience under the auspices of the Royal Instituion Christmas 1928 By Alexander Wood Sc Glas Fellow and Tutor of Emmanuel College Lecturer in Experimental Physics Cambridge University With 140 illustrations 78 6d net Physical Principles of Electricity and Magnetism By Pohl Professor of Physics in the University of Got- tingen Authorized translation by Winifred Deans Sc late of Newnham College Modern Physics By Wilson Sc Leeds Camb Sc Lond Professor of Physics Rice Institute Houston Texas formerly Fellow of Trinity College Cambridge 30s net Heat and Thermodynamics ByJ Roberts Ph Cantab late Assistant in the Heat Division of the National Physical Laboratory 30s net Contributions to the History of Determinants 1900-1920 By Sir Thomas Muir Sc LL formerly Superintendent-General of Education in Cape Colony Theory of Functionals and of Integral and Integro- Differential Equations Lectures delivered in the Fac- ulty of Science of the Central University Madrid during April 1925 By Professor Vito Volterra University of Rome Authorized translation by Miss Long late Scholar of Girton College Cambridge The Theory of Determinants Matrices and Invariants By TuRNBUll Regius Professor of Mathematics in the United College University of St Andrews 25 net Theory and Application of Infinite Series By Dr Konrad Knopp Professor of Mathematics in the University of Tubingen Translated from the second German Edition by Miss Young 6s Sc 30s net Machine Drawing and Design Textbook of Inter- mediate Standard for Engineering Students By Abbott Sc Hons Lond Mech Head of the Engineering Department Municipal College Portsmouth 7s 6d net Practical Geometry and Engineering Graphics Text- book for Engineering Students By Abbott Sc Hons Lond Mech 10s net Symbols and Formulae in Chemistry An Historical Study By Caven Sc Lond Professor of Inorganic and Analytical Chemistry in the Royal Technical College Glasgow and Cranston Sc Lecturer in Physical Chemistry in the Royal Technical College Glasgow 15s net The Foundations of Chemical Theory The Elements of Physical and General Chemistry By Caven Sc Lond Third Edition completely revised and enlarged With 46 figures 12s 6d net Full particulars of the above books and Catalogue of Advanced Technical and Mathematical Books on application BLACKIE SON Ltd 50 OLD BAILEY LONDON