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Japanese WW2 Air Bombs

by 97Olds
WWII Tactical and Technical Trends, No. 28, July 1, 1943


Patently Silly - The Humor of Invention - presented by Daniel Wright

by digitalmonkey & 3 others
"Necessity is the mother of invention. The father is unknown. The following are all real patents issued by the US Patent and Trademark Office".

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