Inventing the 20th CenturyRecounts the history of 100 of the most significant 20th century inventions Imagine your average day without zippers, airplanes or vacuum cleaners, without your clock radio or your personal stereo, without photocopiers. All of these devices were invented within the last hundred years and have since transformed our daily landscape. Drawing on The British Library's vast and comprehensive collection of patents, this handsomely illustrated book recounts