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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. iveljay

    Sound recorder

    Minor footnote on the term 'field' as with many English words its background and use has got blurred over the years, but as some old soldier explained to me in the 1950s it is an abbreviation of 'field of battle' dating back to the times when battles were rapidly changing environments with...