Great 20th Century Inventions From 1900 to 1949

Technology and science have progressed at an accelerated rate during the 20th century, as the highlights of the inventions of the first 50 years show.

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Great 20th Century Inventions From 1900 to 1949

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Great 20th Century Inventions From 1900 to 1949

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Great 20th Century Inventions From 1900 to 1949

Great 20th Century Inventions From 1900 to 1949

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