Contains GE Perry's cover sheet; newspaper clippings; orbital data; information for the press; diary of events; paper written by GE Perry ‘The Second Chinese Satellite, 1971-18A – Launch, 20-009MHz transmission, 19.995MHz transmissions, PPM, Eclipse entry, Future lines of investigation'; photograph of China 2; predictions; paper tape of signals stuck onto sheets of paper and card rev 6094, 6819, 6828; analysis for rev 7710 with respect to lengths of each word for 17 frames of signals; 3 photos of pen trace rev 7875; extracts from 1973 (Blue) Log; China 2 analysis; charts for revs 8145, 9093, 14168 & 42452