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An Account of Trigonometrical Operation, Whereby the Distance between the Meridians of the Observatories of Greenwich and Paris has been determined

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An Account of Trigonometrical Operation, Whereby the Distance between the Meridians of the Observatories of Greenwich and Paris has been determined

By William Roy


On of the most important books in the development of modern surveying; indeed, it is with Roy’s work that the modern profession of surveying is said to begin.   Roy's use of scientific advancements and accurate mathematical formulas paved the way for modern geodesic surveying. His tenure and …

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