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Roof artificial horizon
A rectangular wooden trough and a brass-framed roof-shaped cover, both painted black. Two sides of the cover have clear glass panels, at an angle of 90 degrees. Accompanying the instrument is a jar for storing the mercury, which is missing.
The artificial horizon is contained in a fitted wooden box, with a trade label in the lid for W. Watson and Son, 313 High Holborn, London.
The artificial horizon is contained in a fitted wooden box, with a trade label in the lid for W. Watson and Son, 313 High Holborn, London.
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Object Details
| ID: | NAV1958 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Artificial mercurial horizon |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1869-72 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 90 mm x 164 mm x 112 mm |
| Parts: | Roof artificial horizon |