1 acetate, typed with handwritten notes and diagram, with copied paper version, 'Sulfur Vulcanisation', undated;
1 acetate, typed, annotated, blank paper to back, 'A suggested free-radical mechanism is shown below, using natural rubber as an example', undated;
1 acetate, handwritten by SSKH, diagram, blank paper back, 'Sulphur Vulcanisation', undated;
4 acetates, typed, annotated, with diagrams, blank paper to back, '2.4 Accelerated Sulfur Vulcanization', 16-18, undated;
1 acetate, typed, blank paper to back, 'Antioxidants', undated;
1 acetate, typed, blank paper to back, 'Protectants (Antioxidants, Antiozonants)', undated;
1 acetate, typed, blank paper to back, 'Table 1', 'Relation of Black Properties to Reinforcement', undated;
1 acetate, typed, blank paper to back, '3.2 Particle Size', undated;
1 acetate, typed, blank paper to back, 'Fillers', undated;
1 acetate, typed, blank paper to back, 'Why use fillers?', undated;
1 acetate, typed, blank paper to back, 'Definition of ingredients (ASTM D 1566), undated.
1 acetate, typed, blank paper to back, 'Typical rubber formula', undated.
1 acetate, typed, blank paper to back, 'New rubber consumption, worldwide forecast', undated.
1 acetate, typed, blank paper to back, 'Rubber types', undated.
1 acetate, typed, blank paper to back, chemical diagram CH3 H, undated.
1 acetate, typed, blank paper to back, 'Sulfur vulcanization', undated.
1 acetate, typed, annotated in pen, blank paper to back with the detail of this acetate and the following, on the reverse, 'Plasticizers', undated.
1 acetate, typed, annotated in pen, blank paper to back, 'Why use plasticizers?', undated.
1 acetate, handwritten, copied, diagram, copy as backing, 'Figure 16: Petroleum Softeners', undated.