IBM 650 Magnetic Drum Data-Processing MachineAbdullah As-SadeedSeptember 29, 2024 Home Computer Museum IBM 650 Magnetic Drum Data-Processing Machine IBM 533 card read punch unit is on the rightSide viewConsole unit (right, an exterior side panel is open), 533 card read punch unit (middle, input-output)Console panel, showing bi-quinary indicatorsClose-up of bi-quinary indicatorsMemory drumVacuum tube circuit module Previous Computer Museum Gallery IBM 701 Electronic Data Processing Machine or Defense Calculator Next Computer Museum Gallery IBM 7074 Computer Random Galleries IBM 704 ComputerSeptember 29, 2024 Small-Scale Experimental Machine (SSEM) or Manchester BabySeptember 28, 2024 FUJICSeptember 29, 2024 Manchester Automatic Digital Machine (MADM) or Manchester Mark 1September 29, 2024 Leave a ReplyCancel ReplyYou must be logged in to post a comment.