The Massachusetts Institute of Technology provides a catalog of 16mm filmed and videotaped lectures and demonstrations. Each listing includes title, short description, length of presentation, catalog number, purchase and rental prices, and indications as to whether the item is film or videotape and black-and-white or color. The catalog is divided into 17 categories: artificial intelligence; calculus; colloid and surface chemistry; computer languages; digital signal processing; economics; engineering economy; friction, wear, and lubrication; introduction to experimentation; mechanics of polymer processing; modern control theory; network analysis and design; nonlinear vibrations; probability; random processes; thermostatics and thermodynamics; and special programs. Ordering information and forms are included. (LS)