Dry compass
        
        Card-Paper card, black with white markings, graduated to 1/4 points. Has decorated E point. Fitted with a heavy metal rim which is graduated in degrees, having 0 degrees at E and W points.
Needle-Single flat bar needle, 6.3"long (0.5"wide). Has slightly expanded centre to accommodate pivot cap. Fitted with two brass sliding weights.
Pivot-Cone-shaped brass pivot cap with jewel at top screwed through centre of needle.
      
    Needle-Single flat bar needle, 6.3"long (0.5"wide). Has slightly expanded centre to accommodate pivot cap. Fitted with two brass sliding weights.
Pivot-Cone-shaped brass pivot cap with jewel at top screwed through centre of needle.
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Object Details
| ID: | ACO0909 | 
|---|---|
| Type: | Dry compass | 
| Display location: | Not on display | 
| Creator: | Syeds, A | 
| Date made: | circa 1820 | 
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory | 
| Measurements: | Overall: 15 mm; Diameter: 160 mm | 
