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| Date Photographed: 11 April 2022 |
| Description: Bletchley Park, England: The National Museum of Computing: Harwell Dekatron computer (WITCH, world's oldest working electronic computer, first used in April 1951) |
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Description: Bletchley Park, England: The National Museum of Computing: Harwell Dekatron computer (WITCH, world's oldest working electronic computer, first used in April 1951)
| gallery home page | copyright | Botanic Garden list | remaining list | complete list by date | previous | next |