4937815
9780679907824
Marconi's creation of the first radio is just one of many inventions in this entertaining book. Packed with wonderful photographs & illustrations, it covers such inventions as the wheel, gears, levers, clocks, telephones, & rocket engines. Index. Part of the Eyewitness Books series.Bender, Lionel is the author of 'Invention' with ISBN 9780679907824 and ISBN 0679907823.
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