Documents on the reduction of observations for the National Antarctic Expedition for the consideration of Council of the Royal Society Correspondence on the working out and the funding for the apparatus to deduce the Antarctic observations. Original file title "Antarctic- Reduction of Observations" 21 Jan 1904; 18 Feb 1904; 17 March 1904; 28 April 1904; 27 October 1904; 19 Jan 1905; 23 Feb 1905; 15 Feb 1906. 1902-1905