Journal of the British Astronomical Association. Vol.50 No.4
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- 45BAA Journal Vol.50 No.4 February 1940
- 74The Computation of Total Solar Eclipses
- 50REPORT OF THE ORDINARY GENERAL MEETING OF THE ASSOCIATION Held on Wednesday, 1940 January 31
- 58REPORT OF the Scottish Branch
- 59REPORT OF the Variable Star Section
- 59Report No. 3 Long Period Variables in 1933 (II)
- 66PAPERS COMMUNICATED TO THE ASSOCIATION
- 66Telescope Drives
- 69Solar Activity during the Fourth Quarter of 1939: Synodic Rotations Nos. 1151, 1152, 1153 and 1154
- 49The Great Sunspot Group of 1940 January.
- 72The Floor of Plato
- 74COMMUNICATION TO THE ASSOCIATION
- 86CONTENTS
- 75ASTRONOMICAL DIARY
- 75Erratum (Journal, 49, No. 8, 301, line 11)
- 77ASTRONOMICAL QUERIES
- 79REVIEW
- 79Science Since 1500." By Η. T. Pledge
- 79NOTES
- 79Lunar Notes
- 79The Inclination of Lunar Slopes
- 80The Inclination of Lunar Slopes
- 81The Dissipation of Planetary Filaments
- 81New Members of the Association Elected 1940 January 31
- 85Fiftieth session, 1939-40 OFFICERS AND COUNCIL
- 86CONTENTS