The assembly line is one of those key inventions without which the modern automotive industry simply would not exist in its current form. Ford was responsible for introducing the conveyor belt-type ...
Vintage Aviation News on MSN
Pioneers of aeronautical engineering: Kelly Johnson – designer of the SR-71 and 40 other aircraft
Kelly Johnson founded Lockheed Skunk Works and helped develop more than 40 aircraft, including the legendary SR-71 Blackbird, ...
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