Walking Archive on MSN
The silent invention that changed World War II
This film tells the secret story of the proximity fuse, one of the most important but least-known inventions of World War II.
The age-old proverb "Necessity is the mother of invention" came to fruition because people needed to find solutions (or come up with inventions) to solve problems that were usually quite urgent. For ...
An abridged edition published with title: The marvels of war inventions ... London, 1919.
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