Planisphere

French cardboard planisphere, printed on card. A pierced card moves over a celestial map and this, in turn rotates on a third card marked with an hour scale and bound with red paper. On the reverse are printed instructions for its use.

Object Details

ID: AST0610
Collection: Astronomical and navigational instruments
Type: Planisphere
Display location: Not on display
Creator: Jacob, J. P.
Date made: 1824
Credit: National Maritime Museum, Greenwich, London
Measurements: Diameter: 370 mm;Overall: 9 mm