Excerpt of: [Harold Edgerton's talk in Generative Systems, 1980], shot in 1980, 1 videocassette (approx. 45 min.): b & w, sound ; 3/4 U-Matic. Unknown camera operator. The Daniel Langlois Foundation for Art, Science, and Technology. Sonia Landy Sheridan fonds. 0501-110.