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Great Inventions of the 20th Century (repost)

Posted By: libr
Great Inventions of the 20th Century (repost)

Great Inventions of the 20th Century (Scientific American) By Peter Jedicke
English | 2007-06 | 72 Pages | ISBN: 0791090485 | PDF | 3,5 MB

From the first V-8 engine to NASA's giant crawler at Cape Canaveral, this work presents a celebration of the inventors and inventions that transformed the world during the age of technology. It acquaints young readers with the story and the mechanics behind each device.