Light-Beam CommunicationsAccession Number : 2021.2.52Medium: Printed MatterProduct Name: Light-Beam CommunicationsModel: 21147Publisher: Howard W. Sams & Co., Inc. Language: EnglishYear: 1975Accession Number: 2021.2.52Donor: Beshore FamilyPrinted MatterSoftwareHardwareAudio-Visual