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  2. Cantino planisphere - Wikipedia

    en.wikipedia.org/wiki/Cantino_planisphere

    The rhumb-line construction scheme and geographic lines in the Cantino planisphere. Adapted from Gaspar (2012), Plate 3. The Cantino planisphere is the earliest extant example of the so-called latitude chart, which was developed following the introduction of astronomical navigation, during the second half of the fifteenth century. Contrary to ...

  3. Early world maps - Wikipedia

    en.wikipedia.org/wiki/Early_world_maps

    Cantino planisphere, 1502, Biblioteca Estense, Modena. The Cantino planisphere or Cantino world map is the earliest surviving map showing Portuguese discoveries in the east and west. It is named after Alberto Cantino, an agent for the Duke of Ferrara, who successfully smuggled it from Portugal to Italy in 1502.

  4. Muḥammad ibn Ibrāhīm al-Fazārī - Wikipedia

    en.wikipedia.org/wiki/Muḥammad_ibn_Ibrāhīm_al...

    Al-Fazārī translated many scientific books into Arabic and Persian.He is credited to have built the first astrolabe in the Islamic world. [5] He died in 796 or 806, possibly in Baghdad.

  5. Planisphere - Wikipedia

    en.wikipedia.org/wiki/Planisphere

    Philips' Planisphere, ca. 1900. In astronomy, a planisphere (/ ˈ p l eɪ. n ɪ ˌ s f ɪər, ˈ p l æ n. ɪ-/) is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to display the visible stars for any time and date.

  6. Stereographic map projection - Wikipedia

    en.wikipedia.org/wiki/Stereographic_map_projection

    The stereographic projection, also known as the planisphere projection or the azimuthal conformal projection, is a conformal map projection whose use dates back to antiquity. Like the orthographic projection and gnomonic projection , the stereographic projection is an azimuthal projection , and when on a sphere, also a perspective projection .

  7. Astrolabe - Wikipedia

    en.wikipedia.org/wiki/Astrolabe

    The spherical astrolabe was a variation of both the astrolabe and the armillary sphere, invented during the Middle Ages by astronomers and inventors in the Islamic world. [ b ] The earliest description of the spherical astrolabe dates to Al-Nayrizi ( fl. 892–902).

  8. Fra Mauro map - Wikipedia

    en.wikipedia.org/wiki/Fra_Mauro_map

    The Fra Mauro Map of the world. The map depicts Asia, Africa and Europe, with South at the top.. The Fra Mauro map is a map of the world made around 1450 by the Italian cartographer Fra Mauro, which is “considered the greatest memorial of medieval cartography."

  9. Mercator 1569 world map - Wikipedia

    en.wikipedia.org/wiki/Mercator_1569_world_map

    Mercator's 1569 map was a large planisphere, [3] i.e. a projection of the spherical Earth onto the plane. It was printed in eighteen separate sheets from copper plates engraved by Mercator himself. [4]