middle ages
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Epact: Scientific Instruments of Medieval and Renaissance Europe
Epact is an electronic catalogue of medieval and renaissance scientific instruments from four European museums: the Museum of the History of Science, Oxford , the Istituto e Museo di Storia della Scienza, Florence , the British Museum, London , and the Museum Boerhaave, Leiden . Together, these museums house the finest collections of early scientific instruments in the world. Epact consists of 520 catalogue entries and a variety of supporting material.
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