Bibliography

Arithmatic

Tessarae & fingercounting

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Plimpton 322 clay tablet

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Roman abacus

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Republican coins

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Geometry

Folding ruler

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Platonic and Archimedean models

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Crystals

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Cone of Apollonius

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Vicarello cups

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Astronomy

Oxford sundial

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Memphis sundial

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Philippi sundial

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Cylindrical sundial

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Antikythera mechanism

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Astrolabe

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Analemma

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Dodecahedron and icosahedron

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