Bare Needle Type
        
        Miners compass in wooden case, fitted with two sight vanes. Graduated from 1-32. Bare needle type fitted with locking device.
              
      
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Object Details
| ID: | NAV0427 | 
|---|---|
| Type: | Mining compass | 
| Display location: | Not on display | 
| Creator: | Whitehurst, Jne | 
| Date made: | 1757 | 
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection | 
| Measurements: | Overall: 24 mm x 298 mm x 133 mm | 
