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