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Perpetual almanac of Abraham Zacuto

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Perpetual almanac of Abraham Zacuto


Basic Information

Location Sevilla, Spain
Country Spain
City Sevilla

General Information

Open to visitors no
Need appointment no
Handicap accessibility no
Geographical Coordinates 37.3847,-5.9930


Of those scientists who influenced Christopher Columbus most worthy particular note was Abraham Zacuto, a lecturer at Salamanca University. Owing to the religious persecutions, he was forced to emigrate to Portugal where he entered the service of King João II and, later, Manuel of Portugal. Zacuto improved the astrolabe and published the Almanaque perpetuo (Perpetual almanac), a work which was very useful for the navigators of the 15th century as it allows latitudes to be calculated.

Abraham Zacuto provides the findings of his investigations to the Admiral and provided him with personal help.

In the General Archive of the Indies there is a copy of the Almanaque perpetuo which Christopher Colombus consulted and annotated. Also included are the books of accounts of the convert Luis de Santángel who was a determined protector and partial financier of Columbus´ trip.

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