Journal of the British Astronomical Association. Vol.48 No.9

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  • 37BAA Journal Vol.48 No.9 front page
  • 88CONTENTS
  • 38OFFICERS AND COUNCIL
  • 41REPORT OF THE GENERAL MEETING OF THE ASSOCIATION 1938 Jun 29
  • 47PAPERS COMMUNICATED TO THE ASSOCIATION
  • 47The Accuracy of Meteor Data
  • 55Solar Activity during the Second Quarter of 1938: Synodic Rotations Nos. 1131, 1132 and 1133
  • 63The Lunar Mare Humboldtianum
  • 57Physical Changes on the Moon
  • 65Note by the Director
  • 66A Simple Method of Recording Radio Time-Signals on a Chronograph
  • 68Observational Methods for Zodiacal Light
  • 70ASTRONOMICAL DIARY
  • 73REVIEWS
  • 73 Hundred Years of Astronomy." By Reginald L. Waterfield
  • 75Astronomy." By W. M. Smart
  • 76Isaac Newton, 1642-1727." By J. W. N. Sullivan
  • 77Factor Tables, giving the Complete Decomposition into Prime Factors of all Numbers up to 256,000." By Dr. George Kavan
  • 77Duodecimal Arithmetic." By George S. Terry
  • 78NOTES
  • 78Comet Notes
  • 79The Dwarf Star Wolf 424
  • 79Wireless Time-Signals in U.S.S.R.
  • 81Experimental Determination of the Personal Error in Observations with the Ntisl-Fricova Circumzenith Instrument
  • 82Stability of the Bouty Meridian Telescope at the Observatory of Paris
  • 82Determination of the Radiant of Meteor Streams
  • 83Relativity and the Speed of Light
  • 83A Popular Journal of Knowledge
  • 84NOTICES OF THE ASSOCIATION
  • 84New Member of the Association
  • 88CONTENTS
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