1926 February 24 meeting of the British Astronomical Association

1926 February 5 geophysical discussion

1926 January 15 geophysical discussion

1926 January 20 meeting of the Royal Meteorological Society

1926 January 27 meeting of the British Astronomical Association

1926 January 8 meeting of the Royal Astronomical Society

1926 June 11 meeting of the Royal Astronomical Society

1926 June 16 meeting of the Royal Meteorological Society

1926 June 18 geophysical discussion

1926 June 30 meeting of the British Astronomical Association

1926 March 12 meeting of the Royal Astronomical Society

1926 March 17 meeting of the Royal Meteorological Society

1926 March 31 meeting of the British Astronomical Association

1926 May 14 meeting of the Royal Astronomical Society

1926 May 19 meeting of the Royal Meteorological Society

1926 May 26 meeting of the British Astronomical Association

1926 November 12 meeting of the Royal Astronomical Society

1926 November 17 meeting of the Royal Meteorological Society

1926 November 26 meeting of the British Astronomical Association

1926 November 5 geophysical discussion