Artifact Details Title Tape cassette Catalog Number 102703589 Type Physical object Description Object is a quarter-inch magnetic tape cassette designated "Master 7 MDC Syst," containing medical diagnostic information for use with Portable Medical Diagnostic Computer. Date 1973-1975 Manufacturer International Public Health Systems, Inc Place Manufactured Manhattan Beach, Calif., U. S. Identifying Numbers Other number 7 MDC SYST On paper label on object front Part number 1500081 Dimensions overall: 2 1/2 in x 4 in x 1/2 in Category Memory & storage/tape Credit Gift of Hanon Sinay Lot Number X7628.2016 Related Records 102703588 Portable medical diagnostic computer