Plastics.
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Follows familiar materials such as coal and logs through the processes involved in the manufacture of plastic items. Shows powdered coal being converted into tableware and telephone housings; old rags are mixed with synthetic resin, pressed under heat and turned into clear plastic; glass thread fabric is spun and woven from broken bottles; and fish plus sodium hydroxide became a thread material used in textiles.
Complete catalog record
PLASTICS. Caravel Films, Inc., c1946. 1 reel each, 16mm. © Caravel Films, Inc. 1. Origin and Synthesis of Plastics Materials. © 1Feb46; MP434. 2. Methods of Processing Plastics Materials. © 1Feb46; MP435. 3. Compression Molding. pt. 1: Preparing the Charge and Loading the Mold. © 1Feb46; MP436. 5. Transfer Molding, Molding a Part with Inserts. © 1Feb46; MP437. 6. Semi-Automatic and Hand Molding of Intricate Parts. © 1Feb46; MP438. 7. Injection Molding. pt. 1: Setting Up the Press and Molding a Part. © 1Feb46; MP439. 9. Finishing Molded Parts. © 1Feb46; MP440. 10. Machining Laminated Plastics. © 1Feb46; MP441.
Sources
- 16mm Filmography (legacy record) — title, year, length, format, catalog record
- Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, description
Original permalink · Record added 2024-09-10 01:06:42