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THE HONGKONG GOVERNMENT GAZETTE, 26TH JULY, 1884.
The Light exhibited from the Central Lantern will be Dioptric of the 4th Order, occulting during the flood tide, and during the ebb. It will be seen as a red light by vessels passing through the outer Cutting, and between the hearings v. by W. W. and S. by E. & E. From S. by E. ¦ E. to W. S. W. westerly it will appear as a white light. Between bearings of W. S. W. westerly, and W. by N. N. northerly, it will be seen as a red light. From a W. by N. 1 N. herly to N. W. by W. W. bearing it will be again seen as a white light, and from the southward of the latter bearing light will be obscured.
In the direction of Cowan Cowan, the white light will be intensified by a sector of 45° of light--not otherwise required condensed into a beam of 10°.
The red sector facing to the eastward covers Mud Island and the reefs, and the shoal ground to the northward, so that when passing in the white sectors, North or South of the Island, vessels will be in deep water.
While within the white sector to the southward of the red light, vessels will be in the fairway between St. Helena and Mud Islands, and clear of the foul ground on either hand.
The occulting light will be obscured for 2 seconds at intervals of 10 seconds.
The Tidal signals by day, will be made from the W.N.W. and E.S.E. corners of the Lighthouse, and at night by lights from 6th Order Dioptric apparatus shewn from similar positions, the code used being as follows:-
Depth
Day Signals.
Flag East.
Flag West
Ball East
10
Night Signals.
Cutting.
14
White East
14
White West
15
Red East
Ball West
Cone East
Cone West....
Inverted Cone East
15
Red West
16
Green East
16
Green West
17
White East, Red West
Inverted Cone West.
17
White West, Red East
Ball East, Cone West
18
Ball West, Cone East.
18
Ball East, Inverted Cone West
19
Ball West, Inverted Cone East
19
Cone East, Inverted Cone West
20
Cone West, Inverted Cone East.
201
Red East, Green West Red West, Green East
Green East, White West Green West, White East White East, White West Red East, Red West
Cone East, Cone West...
21
Inverted Cone East, Inverted Cone West
21
Green East, Green West Two White vertical, West
Ball East, Ball West
22
White over Red, West
Flag East, Flag West
White over Green, West
During the flood tide a red flag will be kept flying from a staff on the lantern platform.
The depths given represent the draft at which a vessel may safely enter the river.
Vessels entering the River are to bring into line the leading Lighthouses for crossing the Bar, before reaching the Pile Lighthouse, and vessels outward bound are not to leave the line until the Pile Lighthouse is passed.
Department of Ports and Harbours, Brisbane, 21st May, 1884.
G. P. HEATH, Commander R.N.,
Portmaster.
Government of China.
CANTON DISTRICT,
LOCAL NOTICE TO MARINERS No. 13.
Barriers and Bridge in Cambridge and Collinson Reaches.
The passages left for traffic in the Barrier and Bridge in Cambridge and Collinson Reaches (See Local Notice to Mariners No. 11), have at present a Red Light on the starboard hand and a green light on the port hand, entering from
the sea.
The Construction of another Barrier in Collinson Reach between No. 3 Flat Island and the south Bank of the River, is in progress.
Approved:
F. E. WOODRUFF,
Commissioner of Customs,
Custom HOUSE, CANTON, 22nd July, 1884,
C. H. PALMER,
Harbour Master,
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