Improved Thomson Deflector
        
        Improved Thomson Deflector, with large numerals on the scale. Patent number 65.
              
      
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Object Details
| ID: | ACO1509 | 
|---|---|
| Type: | Deflector | 
| Display location: | Not on display | 
| Creator: | White, James | 
| Date made: | circa 1876 | 
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory | 
| Measurements: | Overall: 78 mm x 144 mm x 54 mm | 
