1912 December 18 meeting of the Royal Meteorological Society

1912 February 21 meeting of the Royal Meteorological Society

1912 February 28 meeting of the British Astronomical Association

1912 February 9 meeting of the Royal Astronomical Society

1912 January 12 meeting of the Royal Astronomical Society

1912 January 17 meeting of the Royal Meteorological Society

1912 January 31 meeting of the British Astronomical Association

1912 June 14 meeting of the Royal Astronomical Society

1912 June 19 meeting of the Royal Meteorological Society

1912 June 26 meeting of the British Astronomical Association

1912 March 20 meeting of the Royal Meteorological Society

1912 March 27 meeting of the British Astronomical Association

1912 March 8 meeting of the Royal Astronomical Society

1912 May 10 meeting of the Royal Astronomical Society

1912 May 22 meeting of the Royal Meteorological Society

1912 May 29 meeting of the British Astronomical Association

1912 November 20 meeting of the Royal Meteorological Society

1912 November 27 meeting of the British Astronomical Association

1912 November 8 meeting of the Royal Astronomical Society

1912 October 30 meeting of the British Astronomical Association