Eratosthenes and the Measurement of the Earth's Circumference (C. 230 BC)

Cover -- titlepage -- copyright -- Acknowledgements -- Contents -- Abbreviations -- AncientSources -- Journals -- Illustrations -- Tables -- Preface -- 1 Historical Background -- 1.1 The Sources -- 1.2 Eratosthenes, The Man -- 1.3 Alexandria -- 1.4 Greek Astronomical Thought Before The Time Of Eratosthenes -- 2 The Experiment -- 2.1 Eratosthenes' Experiment -- 2.2 Eratosthenes' Sundial -- 2.3 Time And The Solstices In Ancient Egypt And Greece -- 2.4 Ancient Egyptian And Greek Sundials To The Time Of Eratosthenes -- 2.5 A Replica Of Eratosthenes' Skaphe -- 3 The Analysis -- 3.1 The Angle -- 3.2 Errors In Eratosthenes' Methodology -- 4 The Stade -- 4.1 The Size Of The Stade -- 4.2 Previous Estimates Of The Size Of Eratosthenes' Stade -- 5 The Re-Examination -- 5.1 Eratosthenes And The 180 m Stade -- 5.2 The 180 m Stade And The Circumference Of The Earth -- 6 The Circumference -- 6.1 The Accuracy Of Eratosthenes' Circumference -- 6.2 Eratosthenes' Legacy -- References -- Ancient and Medieval Sources -- Modern Sources -- Index.