Planispheric astrolabe, 1572

Made:
1572 in Italy
maker:
Unknown

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Brass planispheric astrolabe, 22 stars on rete, Rojas projection on back, Italian, dated 1572

Dated 1572, this brass astrolabe is thought to have come from Italy and was used by a monk. This front view shows a map of the heavens projected onto a flat surface with an incomplete ruler for pinpointing individual stars. It is in essence a model of the universe that an astronomer could hold in their hands. Popular in Medieval and Renaissance Europe, its many uses included timekeeping, astrology and surveying. The two-dimensional depiction of the heavens used on this instrument is achieved using universal projection rather than the stereographic technique more usually found on astrolabes. From its origins in the Ancient World, Islamic astronomers developed the astrolabe from where it spread to Europe.

Details

Category:
Wellcome (general)
Object Number:
A629481
Materials:
brass (copper, zinc alloy) and glass
type:
astrolabe
taxonomy:
  • furnishing and equipment
  • measuring device - instrument