The lowest-priced item that has been used or worn previously.The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a display model or store return that has been used.See details for description of any imperfections.
Showcasing 1000 groundbreaking moments in history and telling the whole story behind each discovery, this family reference delves into the inner workings of the world's inventive minds.
Roger Bridgman studied Natural Sciences at Cambridge, but worked for several years as a graphic designer. After studying electronics, he became a design engineer at Marconi. Roger was Curator of Communications at the Science Museum for over ten years, during which he wrote DK's Eyewitness Science: Technology and gained an MSc in History of Technology at Imperial College, London.