1910 November 11 meeting of the Royal Astronomical Society

1910 November 16 meeting of the Royal Meteorological Society

1910 November 30 meeting of the British Astronomical Association

1910 October 26 meeting of the British Astronomical Association

1911 April 12 meeting of the Royal Astronomical Society

1911 April 19 meeting of the Royal Meteorological Society

1911 April 26 meeting of the British Astronomical Association

1911 April 28, the chromospheric and coronal spectrum

1911 December 11 meeting of the British Astronomical Association

1911 December 20 meeting of the Royal Meteorological Society

1911 December 8 meeting of the Royal Astronomical Society

1911 February 10 meeting of the Royal Astronomical Society

1911 February 15 meeting of the Royal Meteorological Society

1911 February 22 meeting of the British Astronomical Association

1911 January 13 meeting of the Royal Astronomical Society

1911 January 18 meeting of the Royal Meteorological Society

1911 June 14 meeting of the Royal Meteorological Society

1911 June 9 meeting of the Royal Astronomical Society

1911 March 10 meeting of the Royal Astronomical Society

1911 March 15 meeting of the Royal Meteorological Society