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DescriptionSEACComputer 010.png English: Schematic of circuit connections to the acoustic delay line used in NBS mercury memory [top]; block diagram of...

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DescriptionSEACComputer 048.jpg SEAC image Source National Institute of Standards and Technology Author National Institute of Standards and Technology...

DescriptionSEACComputer 027.jpg SEAC display in Building 101 of the NIST campus in Gaithersburg, MD Source National Institute of Standards and Technology...

DescriptionSEACComputer 026.jpg English: IBM Type 31 keypunch machine at National Bureau of Standards in 1950. (Original title: SEAC Keyboard) Date 1 January...

DescriptionSEACComputer 005.jpg English: Standards eastern automatic computer [negative] Date 6/1/1980 Source National Institute of Standards and Technology...

DescriptionSEACComputer 038.jpg SEAC computer ancillary equipment, an IBM card sorter Date 1 January 1950 Source National Institute of Standards and Technology...

DescriptionSEACComputer 029.jpg Ethel Marden [left] and Robert Elbourn [right] operating SEAC Date 3/4/1958 Source National Institute of Standards and...

DescriptionSEACComputer 035.jpg The mercury tube of memory was to be exhibited in the Smithsonian’s Museum of Science and Technology, along with the...

DescriptionSEACComputer 022.jpg Joe Braun, mathematician [right] and Jambert Joel, mathematician [left] operating SEAC Source National Institute of Standards...

DescriptionSEACComputer 008.jpg Memory unit; input-output unit; arithmetic unit; m register; control unit [diagram] Source National Institute of Standards...

DescriptionSEACComputer 037.jpg Plug-in circuitry for computers was developed early in NBS computer research and has since been improved and repeatedly...

DescriptionSEACComputer 036.jpg Horace Joseph [left] and George Moore [right] using the SEAC image scanner to analyze metallurgical photographs Date 1...

DescriptionSEACComputer 013.jpg Ethel Marden [left] and Robert Elbourn [right] operating SEAC [photocopy] Date 3/4/1958 Source National Institute of Standards...

DescriptionSEACComputer 025.jpg Magnetic wire to punched tape converter and tape-controlled printer Source National Institute of Standards and Technology...

DescriptionSEACComputer 002.jpg Images of tape drive capstan and jam roller [top]; auxiliary memory tape drive [bottom left]; and recording and reading...

DescriptionSEACComputer 007.jpg English: 30th anniversary June 1950-1980 [negative] Date 6/1/1980 Source National Institute of Standards and Technology...

DescriptionSEACComputer 047.jpg English: Horace Joseph [left] and George A. Moore [right] using the SEAC image scanner to analyze metallurgical photographs...

DescriptionSEACComputer 030.jpg SEAC input and output wire drives [top] and recording wire cartridge [bottom] Source National Institute of Standards and...

DescriptionSEACComputer 045.jpg SEAC scanner [diagram] Source National Institute of Standards and Technology Author National Institute of Standards and...

DescriptionSEACComputer 006.jpg English: SEAC [negative] Date 6/1/1980 Source National Institute of Standards and Technology Author National Institute...

DescriptionSEACComputer 041.jpg SEAC proved to be remarkably trouble-free when put into operation despite its intricate construction. S. A. Alexander [pictured...

DescriptionSEACComputer 028.jpg SEAC solved its first problem in April 1950, and became the world’s first operative internally sequenced high-speed computer...

DescriptionSEACComputer 024.jpg NBS and the U. S. Patent Office had, at the time of this photograph, begun investigating a program called HAYSTAQ for automatic...

DescriptionSEACComputer 046.jpg English: IBM punch card sorter at NBS Source National Institute of Standards and Technology Author National Institute of...

DescriptionSEACComputer 014.jpg The SEAC computer facilities were used extensively by NBS staff for experimental processing of data. Date 25 June 1980...

DescriptionSEACComputer 034.jpg S. N. Alexander, chief of the NBS Information Technology Division, speaking to 300 computer technologies about SEAC’s formation...

DescriptionSEACComputer 042.jpg In this photo, the 15-year-old computer was being dismantled, but several of its components were presented to the Smithsonian...

DescriptionSEACComputer 040.jpg SEAC inside wiring Source National Institute of Standards and Technology Author National Institute of Standards and Technology...

DescriptionSEACComputer 020.jpg The teletype keyboard and printer were used for direct input and output with numbers and instructions coded in hexadecimal...

DescriptionSEACComputer 004.jpg Fig. 16 memory cathode ray tube and associated circuitry [diagram] Source National Institute of Standards and Technology...

DescriptionSEACComputer 031.jpg Richard B. Thomas with SEAC scanner Date 7 October 1957 Source National Institute of Standards and Technology Author National...

DescriptionSEACComputer 023.jpg The mercury tube of memory was to be exhibited in the Smithsonian’s Museum of Science and Technology, along with the...

DescriptionSEACComputer 009.jpg SEAC processed data representing the sequential position of each car, shown as a dot on the face of a cathode ray tube...

DescriptionSEACComputer 044.jpg W. W. Youden shown operating SEAC - The control console is pictured at the far end of the room, and the computer proper...

DescriptionSEACComputer 001.jpg Size comparison between a two-stage amplifier constructed according to conventional practice and a miniature amplifier...

DescriptionSEACComputer 043.jpg English: SEAC's "last printout," 1954. However SEAC was reassembled successfully and ran for another ten years until its...

DescriptionSEACComputer 033.jpg The teletype keyboard and printer were used for direct input and output with numbers and instructions coded in hexadecimal...

DescriptionSEACComputer 017.jpg Plug-in circuitry for computers was developed early in NBS computer research and has since been improved and repeatedly...

DescriptionSEACComputer 012.jpg SEAC computer equipment Date 14 June 1950 Source National Institute of Standards and Technology Author National Institute...

DescriptionSEACComputer 039.jpg SEAC inside wiring Source National Institute of Standards and Technology Author National Institute of Standards and Technology...

DescriptionSEACComputer 018.jpg S. A. Alexander with the SEAC computer Source National Institute of Standards and Technology Author National Institute...

DescriptionSEACComputer 011.jpg Input-output and auxiliary units for the SEAC and DYSEAC systems [diagram] Source National Institute of Standards and Technology...

DescriptionSEACComputer 003.jpg SEAC scanner [diagram] [negative] Source National Institute of Standards and Technology Author National Institute of Standards...

DescriptionSEACComputer 019.jpg SWAC computer equipment Source National Institute of Standards and Technology Author National Institute of Standards and...

DescriptionSEACComputer 021.jpg This was a magnetic tape recorder automatically controlled by SEAC for storage information. Date 1 January 1968 Source...

DescriptionSEACComputer 016.jpg S. N. Alexander, chief of the NBS Information Technology Division, speaking to 300 computer technologies about SEAC’s formation...

DescriptionSEACComputer 015.jpg English: The Air Force at first supported the development of the UNIVAC for use in speeding up their planning and deployment...

English 1957 - early experimental digital image, showing face of a baby applies to jurisdiction: United States determination method or standard: work of...

1933, on display at the w:Computer History Museum Date 2 February 2014 Source Own work Author ArnoldReinhold Other versions File:SEACComputer 026.jpg...