64151-1919-Supplementary-Notices-to-Mariners — Page 2

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COMMONWEALTH OF AUSTRALIA.

LIGHTHOUSE SERVICE.

1919. No. 11.

given. The bearings are given The visibility of lights is that in

The Astronomical positions are only approximate unless seconds are both True and Magnetic, and those relating to lights are from seaward. clear weather. Fog signals are sounded only in thick or foggy weather, The elevation given is the height of focal plane above high water.

TASMANIA. -NORTH

COAST.

Mersey Bluff (Devonport) Light.-Intended alteration in Character.-Signal Station to be Discontinued.

MARINERS and others are hereby notified that the Fixed White Light with Red Sectors on Mersey Bluff (Devonport) will be replaced by a Group Flashing White Light with Red Sectors (U): and, further, that the Signal Station will be discontinued, on or about 15th January, 1920.

Position Near extreme of Mersey Bluff.

Lat. 41° 091 S.; Long. 146° 23' E. on Chart No. 1695a.

Details: The Fixed White Light with Red Sectors will be replaced by a New Light having the undermentioned characteristics :----

Character. Group Flashing White Light with Red Sectors, showing four flashes

in quick succession every twelve seconds, thus:-

Flash

sec.

Eclipse Flash

sec.

Eclipse

1 sec.

Flash Eclipse

sec.

1 sec.

Flash

sec.

Eclipse

73 secs.

1 sec. Sectors.--Red from 86° (N. 77° E. Mag.) through East to 121° (S. 68° E. Mag.); White from 121° (S. 68° E. Mag.) through South to 225° (S. 36° W. Mag.); Red from 225° (S. 36° W. Mag.) to 260° (S 71° W. Mag.). Obscured elsewhere.

Visibility.-White, 16 miles. Red, 7 miles.

Power.-White, 1,500 candles. Red, 600 candles.

Remarks.-The light will be unwatched. The Signal Station will be discontinued, and the Lightkeepers withdrawn. The other details of the light will remain unchanged.

Note. No further notice will be given.

Charts affected:-

Admiralty Chart No. 1695A-Bass Strait.

1079 Tasmania.

"

3717-Plans in Tasmania-River Mersey.

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Publications affected:-

Admiralty List of Lights and Time Signals, Part VI., 1919, No. 2800. Australia Pilot, Vol. II., 1918, page 273.

B. WALLACH,

Acting Director of Lighthouses.

Department of Trade and Customs,

MELBOURNE, 23rd August, 1919.

By Direction,

R. MCK. OAKLEY,

Acting Comptroller-General of Customs.

PUBLIC WORKS DEPARTMENT.

No. S. 283.-It is hereby notified that the following Sale of Crown Land by Public Auction will be held at the Offices of the Public Works Department on Monday, the 20th day of October, 1919, at 3 p.m.