Telescope eyepiece cap
        
        Telescope eyepiece cap made from brass with a dark, glass lens. The top of the cap is black and has concentric circles.
              
      
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Object Details
| ID: | AST0948.6 | 
|---|---|
| Type: | Telescope eyepiece cap | 
| Display location: | Not on display | 
| Creator: | Unknown | 
| Date made: | 18th century; Unknown | 
| Credit: | National Maritime Museum, Greenwich, London. Presented to the Museum in 1962. | 
| Measurements: | Diameter: 41 mm;Overall: 8 mm | 
| Parts: | 
                                    Portable reflector telescope (Telescope)
                          
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