Joseph Needham’s file title is ‘BBC/FE SCC broadcast series. Basil Clarke, Christine King, Derek Brooke-Wavell’. It relates to a 19-part series called ‘Of Silks and Seismographs’ broadcast on the BBC. Joseph Needham contributed a Foreword to a collection of broadcast talks on various aspects of the history of science, technology and medicine in China. The file contains correspondence, handwritten notes and a typescript outline of programmes.