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 CER (Digital Electronic Computer) 22October 4, 2024 Wisconsin Integrally Synchronized Computer (WISC)September 29, 2024 IBM 7080 ComputerOctober 1, 2024 IBM 5100 ComputerOctober 7, 2024 Leave a ReplyCancel ReplyYou must be logged in to post a comment.