Original file (500 × 448 pixels, file size: 39 KB, MIME type: image/jpeg)
    Description
    English: In 1997 Lucent Technologies created this replica to commemorate the 50th anniversary of the invention of the point-contact transistor at Bell Labs in December 1947.
    العربية: ، صنعت شركة تقانات لوسنت في عام 1997 هذه النسخة المقلدة للاحتفال بالذكرى الخمسين لاختراع الترانزستور ذي نقطة الاتصال في مختبرات بيل في ديسمبر 1947.
    Date
    Source https://clintonwhitehouse4.archives.gov/Initiatives/Millennium/capsule/mayo.html
    Author Federal employee
    Permission
    (Reusing this file)
    This file is a work of an employee of the Executive Office of the President of the United States, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain.

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    public domain

    inception

    1 January 1997

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    data size

    39,892 byte

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    448 pixel

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    500 pixel

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    0a49a6d4e4f8d603e59ab36466514ac20d92b58e

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    Date/TimeThumbnailDimensionsUserComment
    current02:59, 5 February 2006Thumbnail for version as of 02:59, 5 February 2006500 × 448 (39 KB)RagesossAn award containing a replica of the first transistor. source: http://clinton4.nara.gov/media/jpg/replica-of-first-transistor.jpg No photo credits; assumed to be public domain

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    allikas: https://en.wikipedia.org/wiki/File:Replica-of-first-transistor.jpg