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Vertical Force Instrument
Brass clock-shaped instrument. The needle rests across centre of dial on agate bearings in black painted brass mounts. Provided with needle liftering mechansim. A spirit level is fitted at top of instrument.
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Object Details
| ID: | ACO0081 |
|---|---|
| Type: | Vertical 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: 140 mm x 100 mm x 100 mm; Diameter: 102 mm |
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