Backstaff sighting vane

Wooden sight vane with an inlaid brass pinhole sight and a brass pressure plate for holding it tightly in place on the thirty degree arc.

The instrument was recovered from the wreck of the ‘Stirling Castle’, which ran aground on the Goodwin Sands off the Kent coast during the Great Storm of 1703.

Object Details

ID: NAV1974
Collection: Astronomical and navigational instruments
Type: Backstaff sighting vane
Display location: Not on display
Creator: Unknown
Date made: Before 1703
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 43 mm x 118 mm x 48 mm