Josef de Mendoza y Ríos, Date of Birth, Place of Birth, Date of Death
TweetJosef de Mendoza y Ríos
Spanish astronomer and mathematician (1761–1816)
Date of Birth: 
Place of Birth: Seville, Andalusia, Spain
About Josef de Mendoza y Ríos
- Josef (also José or Joseph) de Mendoza y Ríos (1761–1816) was a Spanish astronomer and mathematician of the 18th century, famous for his work on navigation. The first work of Mendoza y Ríos was published in 1787: his treatise about the science and technique of navigation in two tomes.
- He also published several tables for facilitating the calculations of nautical astronomy and useful in navigation to calculate the latitude of a ship at sea from two altitudes of the sun, and the longitude from the distances of the moon from a celestial body. In the field of the nautical instruments, he improved the reflecting circle.In 1816, he was elected a foreign member of the Royal Swedish Academy of Sciences.
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