NOTICE TO MARINERS.

Colonial Secretary’s Office,
Wellington, 15th May, 1848.

HIS EXCELLENCY THE LIEUTENANT GOVERNOR has been pleased to direct the re-publication, for general information, from the Hobart Town Gazette, of the following memorandum, respecting the Light Houses on Goose Island, and Swan Island, in Banks’ Straits.

By His Excellency’s Command,

ALFRED DOMETT,
Colonial Secretary.

BANKS’ STRAITS.

Port Office, Hobart Town, 26th November, 1845.

A Light is now, and will continue burning, from sun-set to sun-rise, on Swan Island, (Banks’ Straits,) 101 feet above high-water mark.

The supporting column is 74 feet six inches in height; the upper part coloured red, the lower part white. Its diameter is 24 feet six inches at the base, and 17 feet six inches at the summit.

The Lantern is 10 feet high, having a revolving light, which shows a bright flash of 2½ seconds’ continuance at intervals of a minute. It has been seen on either side from a distance of 25 miles.

The following magnetic bearings were taken from the light:—

• Peak of Cape Barren—N. 18° 47’E.
• Look-out Rock (Clarke’s Island)—N. 19° 45’W.
• Reef, north-westward of Swan Island—N. 46° 0’W.
• Black Reef—S. 52° 0’E.
  Variation 10 degrees easterly.

It is also expected that the Light now preparing on Goose Island will be ready for exhibiting on 1st February, 1846.

Goose Island is the western of the Chappell Islands.

The column, which stands on the southern point of the Island, is in every respect similar to that which has been erected on Swan Island.

The Light will be a fixed light.

The following magnetic bearings were taken from the Light-House:—

• South-west extreme of Hummock or Prime Seal Island—N. 30°W.
• Reef off ditto—N. 23°W.
• Extreme of Reef off north-west point of Badger Island—N. 34° E.
• South point of Badger Island—S. 85° E.

Western Extreme of Boxing Island—S. 56°E.
Reef between Badger and Boxing Islands—S. 65°E.
South Extreme of Clarke’s Island—S. 54°E.
Centre of Kangaroo Island—N. 20°E.
Variation 10 degrees easterly.

(Signed)
Wm. Moriarty,
Port Officer.

NOTICE TO MARINERS.

Colonial Secretary’s Office,
Wellington, 15th May, 1848.

HIS EXCELLENCY THE LIEUTENANT GOVERNOR has been pleased to direct the re-publication, for general information, from the Hobart Town Gazette, of the following memorandum respecting the Light-house which has recently been erected on Deal Island, Kent’s Group, in Bass’ Straits.

By His Excellency’s Command,

ALFRED DOMETT,
Colonial Secretary.

The Light-house on Deal Island, forming one of the cluster of Islands, called “Kent’s Group,” in Bass’ Straits, latitude 39° 29’ south, longitude 147° 21’ east, having now been erected, a light is burning and will continue from sun-set until sunrise.

The Light-house is erected on a hill 900 feet above high-water mark.

The supporting column is 46 feet in height.

The upper part of the column (like all the Light-houses within the Government of Van Diemen’s Land) is coloured red, and the lower part white.

The lower part of the column is built of granite, each block worked to a mould.

The cornice and blocking are six feet high, of free stone.

The lantern is seven feet high, having a revolving catoptric light with 21 lamps and patent pipes, smoke consumers, working in three groups, each group containing seven lamps with reflectors, and revolves round once in five minutes, showing 150 seconds of light and 150 seconds of darkness.

The light may be seen 13 leagues, has been set by cross bearings at a distance of 12 leagues, and is visible all round the compass, unless the light be intercepted by being close in with any of the surrounding Islands.

(Signed)
Wm. Moriarty,
Port Officer.