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History
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Part of the first IBM 650 computer in Norway (1959), known as "EMMA". 650 Console Unit (right, an exterior side panel is open), 533 Card Read Punch un
Part of the first IBM 650 computer in Norway (1959), known as "EMMA". 650 Console Unit (right, an exterior side panel is open), 533 Card Read Punch unit (middle, input-output). 655 Power Unit is missing. Punched card sorter (left, not part of the 650). Now at Norwegian Museum of Science and Technology in Oslo.
IBM 650 at Texas A&M University. The IBM 533 Card Read Punch unit is on the right.
IBM 650 at Texas A&M University. The IBM 533 Card Read Punch unit is on the right.
IBM 650 console panel, showing bi-quinary indicators. Note wear marks around frequently used switches, lower right. Collection of the Museo Nacional d
IBM 650 console panel, showing bi-quinary indicators. Note wear marks around frequently used switches, lower right. Collection of the Museo Nacional de Ciencia y Tecnología. A Coruña (Galicia, Spain).
Close-up of bi-quinary indicators
Close-up of bi-quinary indicators
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IBM 701 operator's console
IBM 701 operator's console
IBM 701 processor frame, showing 1071 of the vacuum tubes
IBM 701 processor frame, showing 1071 of the vacuum tubes
Vacuum tube logic module from a 700 series IBM computer.
Vacuum tube logic module from a 700 series IBM computer.
Williams tube from an IBM 701 at the Computer History Museum
Williams tube from an IBM 701 at the Computer History Museum