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    German composer, Johann S. Bach married his own niece in 1707.

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The first electron tube to enable night vision was described

On the 2nd January, 1936, the first electron tube to enable night vision was described

You might be interested to know:
  • On 8th August, 1978, The Night Vision Pocketscope was patented... Read more »
  • On 30th April, 1897, J. J. Thomson reported his discovery of the electron... Read more »
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