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About this collection

Construction of the (Standards Eastern Automatic Computer (SEAC) began in the fall of 1948 in the National Bureau of Standards (NBS) Electronics Division by a group under Samuel N. Alexander, and with active collaboration by members of the Machine Development Laboratory. NBS was positioned to build the SEAC after gaining experience creating electronic components and devices during World War II. By modern standards the specifications for the SEAC were modest enough but they were state of the art at that time. All the logical operations of the computer were carried out by germanium diodes; vacuum tubes were used onlyfor amplification. Thus, the SEAC was the first computer to use solid-state electronics extensively. [From: A Unique Institution by Elio Passaglia, p. 42-43] See also the Standards Western Automatic Computer (SWAC) Photographic Collection

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