Calendar: 1930-1931 Page 468

ANNUAL REPORT Ivii Appleton Professor Ε Wireless Observations during the Eclipse of the Sun 29th June 1927 Observations on Medium Waves Department of Scientific and Industrial Research Radio Research Special Report No pp 6-16 Some Notes on Wireless Methods of Investigating the Electrical Structure of the Upper Atmosphere Proc Phys Soc Vol 41 Part December 15th 1928 Short Wave Echoes and the Aurora Borealis Nature Vol 122 879 1928 On the Equivalent Heights of the Atmospheric Ioniser Layers in England and America Nature March 23rd 1929 Flint Η The New Metric of Einstein and the Wave Equation '1 Proc Roy Soc Vol 117 1928 The First- and Second-order Equations of the Quantum Theory Proc Roy Soc Vol 117 1928 Wave Mechanics Methuen's Monographs on Physical Subjects 1929 Flint Η and Fisher The Fundamental Equation of the Wave Mechanics and the Metrics of Space Proc Roy Soc Vol 117 1928 Worsnop The Diffraction of Electrons by Ruled Gratings Nature February 2nd 1929 Williams New Type of Interference Fringes Nature September 8th 1928 Kombination eines Fabry-Perotschen Interferometers mit einem Spektroheliographen zur Bestimmung solarer Geschwindigkeiten und der Drehung der Sonne Zeit der Phys Vol 53 542 1929 Contribution to the Discussion on Geometrical Optics Proc Phys Soc Vol XLI Part 1929 Johnson The Band Spectra of the Alkaline-earth Halides Part Proc Roy Soc Vol 122 161 1929 Part II ibid Vol 122 189 1929 Johnson and Asundi New Band System of Carbon Monoxide &S 2lP with Remarks on the Angstrom Band System Proc Roy Soc Vol 123 1929 The Structure of the High-pressure Carbon Bands and the Swan System Proc Roy Soc Vol 124 1929