ITEM: Up for sale is this HUGE Plastics Industries Technical Institute 1940's Study or Course Manual on the plastics industry. The book is broken down into various chapters and also includes various cardboard insert sheets containing examples of different types of plastics and raw materials. Some of the chapters include: Questions and Answers about your course, Origin of the Plastic Industry, Formation of Phenolic Plastics, Laminated Phenolic Plastics, Urea Resins and Their Characteristics, Cellulose Plastics, Acrylic and Polystyrene Resins, Polyvinyl Resins and Their Characteristics Synthetic Rubbers and Rubber Like Materials and more. Some of the samples include: cellulose acetate, laminated phenolic, ethylcellulose foil, phenolic molding powder, cotton linters, cellulose acetate molding compound and more. Interesting scientific book on plastics that probably requires additional research.