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Horizontal Force Instrument
Boxwood bowl 1cm deep. Lid strapped with metal ring. Glazed with mica which had black painted cross lines.
Bowl-Narrow green coloured paper card pasted to base, graduated to 360 degs.
Needle-Steel with sliding balance weight. Jewelled steel pivot cap at centre. Length 3" (7.6cm)
Bowl-Narrow green coloured paper card pasted to base, graduated to 360 degs.
Needle-Steel with sliding balance weight. Jewelled steel pivot cap at centre. Length 3" (7.6cm)
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Object Details
| ID: | ACO0082 |
|---|---|
| Type: | Horizontal Force Instrument |
| Display location: | Not on display |
| Creator: | Dover, A. W. |
| Date made: | 1880-1890; 1880-90 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 38 mm; Diameter: 100 mm |
| Parts: | Horizontal Force Instrument |
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