Heath Company Omnia Corporation moving image videorecording miu Benton Harbor, MI] Heathkit Educational System 1983 monographic eng 1 videodisc (39 min.) : sd., col.; 12 cm. specialized Heath Company ; produced by Omnia Corporation Title from disc label Unit 10 Digital techniques Architectural design Data processing Computer Aided design Digital electronics Digital integrated circuits MED0000805(Local) 160322 20251117141046.0 vtls000094075