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"Wilford tells the dramatic story of how, through the ages, technology - compasses, sextants, theodolites, cameras, airplanes, radar, sonar, computers, seismic probes, lasers, satellites - has transformed the way we see and measure our world. He details the innovations, from John Harrison's eighteenth-century marine chronometer, which enabled navigators to calculate longitude at sea, to the Pentagon's Global Positioning System (GPS), now used as widely by civilians as by the military to pinpoint the bearer's exact location on the globe."--BOOK JACKET.
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Melvil Decimal System (DDC)912.09 — History and Geography Geography and Travel Maps and Atlases
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