Papers regarding satellites, including general notes on 'Soviet Science', No. 7, 'A Philosophy of Space Research', sent by the Ministry of Defence to the Royal Greenwich Observatory; a note from the Minister for Science regarding 'Anglo-French Satellite Launcher Proposals, Estimated Performance of Vehicle'; a contribution to 'Satellite discussions' by R. Atkinson; a copy of a document from the Royal Society outlining a scheme of observations of satellites; a copy of 'The Prediction Service of H.M. Nautical Almanac Office', prepared by D.H. Sadler; a memorandum by the D.H. Sadler, Superintendent, on the work being done at H.M. Nautical Almanac Office and the provision for future work regarding artificial satellites of the Earth; and a memorandum on the meeting of the Scientific Value Working Group of the Artificial Satellite Sub-Committee, prepared by D.H. Sadler.