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 ...
Engineers converted a standard armored hull into a night-fighting platform by installing a powerful carbon-arc light system inside a special turret. The flickering beam was intended to blind defenders ...
An abridged edition published with title: The marvels of war inventions ... London, 1919.