The Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War. It had excellent accuracy, penetration and range, but its size made transportation difficult. It was nicknamed "Norsupyssy"... continue reading
posted by Mordhaus 6 years 11 months 1 week ago • 134 views • 10:14search results matching tag: cold weld
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Follow up to this video... https://videosift.com/video/Cold-Welding-in-Atmosphere He tests a couple of theories for it in a vacuum chamber.
posted by NaMeCaF 7 years 2 months 1 week ago • 27 views • 15:47posted by Mordhaus
7 years 2 months 2 weeks ago • 677 views • 2:37
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