TRW 6366 is the catalogue number of a tape in the BBC Radiophonic Archive, labelled Radiophonic Workshop Sound Archive Tape and described as:
Report in box. See also separate Archives Tapes listing.
Examples incl. Full Circle, Dark Pilgrimage, Charing Cross Exhibition, Ideal Home, Music Movement and Mime - The Magic Carpet, Time on our Hands, Arabic Science and Industry, Chem. Lab Mystery, Bitter Waters, Family Car, The Santa Problem, Choice, Caves of Steel, Talk-Out, Running a Home, Orbit, The Secret of the Chasm, Loch Ness Monster, Science Fiction ("Out of the Unknown"), Manhattan Project, Clear Way for Transport etc.