Magnetic data recording system using standard audio cassette and proprietary cassette recorder Computing & Data Processing 1980
U and U personal software - workstation software for Digital Persona readers Computing & Data Processing
Tape reader (transmitter), made by Creed & Co from the Pegasus Mark I Computer Computing & Data Processing 1957
Wooden board associated with the trial model for part of Babbage's difference engine Computing & Data Processing 1871-1900