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Bare Needle Type
The tripod has been marked NAV0433.1 and can be found via the Whole/Part toggle.
Pine box with key. Brass lid to compass bowl. Two detachable sights (fine thread and slit type). Lead plumb bob. Oak tripod. Height 53" (134.5cm) compass graduated every four points into 90 1/2 degrees also in degrees 0-360. Bare needle marked "N" and "S" fitted with a stop. Bowl fitted with a turned brass lid. Mounted on a ball and socket with screw. Legs in two pieces which screw together. Steel tipped. Brass ring for suspension of plumb bob.
Pine box with key. Brass lid to compass bowl. Two detachable sights (fine thread and slit type). Lead plumb bob. Oak tripod. Height 53" (134.5cm) compass graduated every four points into 90 1/2 degrees also in degrees 0-360. Bare needle marked "N" and "S" fitted with a stop. Bowl fitted with a turned brass lid. Mounted on a ball and socket with screw. Legs in two pieces which screw together. Steel tipped. Brass ring for suspension of plumb bob.
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Object Details
| ID: | NAV0433 |
|---|---|
| Type: | Surveying compass |
| Display location: | Not on display |
| Creator: | Hamlin, William |
| Date made: | circa 1790 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 54 mm; Diameter: 126 mm |
| Parts: | Bare Needle Type |