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By combining a brief history of each patent (the zip fastener, the post-it note) with a copy of the patent illustration, this title reveals the ways in which many of the most basic aspects of our material existence have been revolutionized through specific objects. Imagine your average day without television, vacuum cleaners, photocopiers and personal stereos. This title offers window onto the technology of the 20th century. By combining a brief history of each patent (the zip fastener, the post...Vis mer