Typed, A4, annotated, some handwritten notes by SSKH, 'Rubber - including history'.
9 sheets, typed, one side only, annotated by SSKH, 'History of Rubber', pages 1-9, undated;
2 sheets, handwritten by SSKH, one side only, 'Original IBM' ' History of Rubber', undated;
1 sheet, handwritten by SSKH, 'Vulcanisation', undated;
3 sheets, typed, one side only, annotated by SSKH, 'Vulcanisation', (History of Rubber, pages 10-12), undated;
1 sheet, handwritten by SSKH, copied, includes diagram annotated, 'Sulphur Vulcanisation', 2.3, undated;
1 sheet, typed, one side only, includes diagram, annotated by SSKH, 'A suggested free-radical mechanism is shown below, using natural rubber as an example', undated;
1 sheet, typed, one side only, annotated by SSKH, 'General Conditions', 2.2, (History of Rubber, page 13), undated;
2 sheets, typed, one side only, includes diagrams, annotated by SSKH, 'Accelerators', undated;
3 sheets, typed, one side only, copied, includes table, annotated by SSKH, 'Typical Rubber Formula', undated;
7 sheets, typed, one side only, copied, includes tables and diagrams, annotated by SSKH, 'Carbon Black', 3.0 - 3.8, undated;
4 sheets, typed, one side only, copied, includes diagrams, annotated by SSKH, 'Antigradants', 7.0, undated;
3 sheets, typed, one side only, copied, includes diagrams, annotated by SSKH, 6.0, undated.