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Object Details
| ID: | NAV0101.2 | 
|---|---|
| Type: | Course indicator box key | 
| Display location: | Not on display | 
| Creator: | Unknown | 
| Date made: | Unknown | 
| Credit: | National Maritime Museum, Greenwich, London | 
| Measurements: | Overall: 4 mm x 11 mm x 42 mm | 
| Parts: | 
                                    True Wind Calculator (Course indicator)
                          
  |