If necessity is indeed the mother of invention, then the individuals profiled in this volume should be considered the most laudable of all midwives. They each saw a need and met it. Readers will learn more about the lives and methodologies of well-known inventors such as Benjamin Franklin and Thomas Edison, and become familiar with several more whose creations have sometimes outstripped their personal fame.
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स्वरूप PDF ● पेज 376 ● ISBN 9781615300426 ● संपादक Amy McKenna ● प्रकाशक Britannica Educational Publishing ● प्रकाशित 2009 ● डाउनलोड करने योग्य 6 बार ● मुद्रा EUR ● आईडी 2411196 ● कॉपी सुरक्षा Adobe DRM
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