You will be working in groups of two to research the following devices:
- Stick Chart (Marshallese)
- Board and string (Arab Kamal)
- European Cross-Staff
- Hanging pendant (Greek Mariners Astrolabe)
- Chinese Magnetic Compass
- Viking Sunstone
You will need to answer the following questions on the sheet provided.
- Identify the Problem it was meant to solve.
- What did it do?
- How did it work?
- Provide a sketch.
- Identify three advantages
- Identify three limitations or disadvantages of the device
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