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Measuring, surveying, and map making are ancient practices by the Greeks, Romans, Egyptians, Druids, Chinese... pretty much everyone knew how to trace and measure lines and angles over a long distance. Surveying is based on geometry, in particular triangles, and that was all well known at the time. By the time Hadrian's Wall was begun (122 AD), Euclid's ...


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The technology to determine the narrowest point in northern England is as nothing compared to that necessary for supplying Roman towns with running water and baths, as with the Nimes Aqueduct in Southern France, shown here at the Pont du Gard crossing of Gardon River. The Fontaine d'Eure, at 76 m (249 ft) above sea level, is only 17 m (56 ft) higher ...


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When Caligula first became emperor, he was very popular with the people because he reduced taxes and instituted a few public reforms. After his illness, however, Caligula became increasingly paranoid and started to kill off those around him. He also began throwing lavish parties at his palace, and used up all the money in the Treasury in the process. ...


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The Romans were good surveyors. Vitruvius described surveying tools and methods in a book that was used in the Middle Ages. By laying out stakes at fixed distances and using a plumb with simple sighting rods, it is very easy to lay out squares, lines, triangles, etc., and to measure the distances between different points. The Romans divided huge tracts of ...



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