A long thin wooden rod attached to the display with a rope. There is a piece of wood on the rod you can move back and forth. The display reads 'try navigating with the cross-staff.'

Collection

Cross Staff

Navigation

Credit: WA Museum

The cross-staff was invented in about the 1200s for astronomy.

It was adapted for use at sea in the 1500s, probably after Portuguese navigators saw the kamal being used in the Indian Ocean region.

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