Product images of Inclining dial for latitudes 0-60 north
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Manufactured in the UK
Inclining dial for latitudes 0-60 north
The hour-plate is hinged to the north side of the base-plate. Within the hour-circle, the brass gnomon is shaped and folds flat when not in use. The plate is cut away to reveal a silvered compass. It has a four-point rose and the cardinal and quadrantal points are designated by English initials. The degree scale for magnetic variation is divided 20â”œÃ—_-0â”œÃ—_-20â”œÃ—_, and is indicated by a brass slider, manipulated from the outside, which moves in a slit in the wall of the compass. The latitude arc, divided from tip 0â”œÃ—_-60â”œÃ—_, is hinged to the west side of the base-plate. The obverse side of the base-plate contains a table of latitudes of European towns and cites.
- Image reference: D8518
- National Maritime Museum, Greenwich, London