1927 March 30 meeting of the British Astronomical Association

1927 May 13 meeting of the Royal Astronomical Society

1927 May 18 meeting of the Royal Meteorological Society

1927 May 25 meeting of the British Astronomical Association

1927 May 6 geophysical discussion

1927 May 7 geophysical discussion

1927 November 11 meeting of the Royal Astronomical Society

1927 November 16 meeting of the Royal Meteorological Society

1927 November 2 geophysical discussion

1927 November 30 meeting of the British Astronomical Association

1927 October 26 meeting of the British Astronomical Association

1927 October 7 geophysical discussion

1927: a British eclipse

1928 + 738 - A superluminal source with large-scale structure

1928 April 13 meeting of the Royal Astronomical Society

1928 April 18 meeting of the Royal Meteorological Society

1928 April 28 meeting of the British Astronomical Association

1928 December 14 meeting of the Royal Astronomical Society

1928 December 19 meeting of the Royal Meteorological Society

1928 December 7 geophysical discussion