1 box containing 4 files, 53 documents and 3 prints Items given by the Hancock family to the Rubber and Plastics Research Association (RAPRA)
1 item Map showing the existing and proposed lines of the British-Indian Submarine Telegraph Company, Limited, Suez to Bombay
1 box Miscellaneous documents used and notes made by Frank James during his research into the Hancock family
1 file containing prints of various sizes Photographs of rubber trees, rubber plantations and rubber-making equipment
2 boxes containing 6 files, 57 documents, 2 items and 3 prints Information related to the Hancock family and the rubber industry
1 item Pages from the Mechanics' Magazine, with a paragraph on improvements in electric telegraph conductors marked