D 17
The Revenue collected by this Department from the New Territories during 1911 was $29,054 as compared with $28,141.90 in 1910.
13.-Lighthouses.
GAP ROCK LIGHTHOUSE.
27. During 1911, 899 vessels passed this station, all of which were reported to the Harbour Office by telegraph. Of this number 144 were signalled by Morse lamp.
Three thousand seven hundred and seventeen (3,717) telegraphic messages were sent, including meteorological observations for the Observatory, and 557 messages were received.
Telegraphic communication was maintained throughout the year except for a few interruptions of short duration, caused by the land lines being in contact.
There were fifty-five hours and thirty minutes (55 h. 30 m.) of fog and the fog signal was fired 352 times.
On three occasions the relief was delayed by rough weather.
WAGLAN ISLAND LIGHTHOUSE.
During 1911, 2,281 messages were sent and 663 received; 2,063 vessels were reported, and owing to interruption of telegraphic communication 140 vessels were not reported.
There were 183 hours and forty-eight minutes (183 h. 48 m.) of fog and the fog guns were fired 1,928 times.
On two occasions the relief was delayed by rough weather.
GREEN ISLAND LIGHTHOUSE.
During 1911, 1,582 vessels were signalled and reported. 536 messages were sent and 477 received.
Owing to telephonic communication being interrupted at ten different times during the year, 67 vessels were not reported.
In the latter part of the year Matthews Trinity House vapourising oil burner, on the "Kitson" system, was installed at Gap Rock, Waglan Island and Green Island Lighthouses, replacing the Trinity House wick burners.
It is the latest Trinity House improvement in Lighthouse illumination, thus bringing our three leading lights up to a high state of efficiency, and comparing favourably with any modern light. The intensity of the light is greatly increased, at the same time an approximate saving of 51% on oil consumption has been effected.
D 17
The Revenue collected by this Department from the New Terri- tories during 1911 was $29,054 as compared with $28,141.90′ ̋in 1910.
13.-Lighthouses.
GAP ROCK LIGHTHOUSE.
27. During 1911, 899 vessels passed this station, all of which were reported to the Harbour Office by telegraph. Of this number 144 were signalled by Morse lamp.
Three thousand seven hundred and seventeen (3,717) telegraphic messages were sent, including meteorological observations for the Observatory, and 557 messages were received.
Telegraphic communication was maintained throughout the year except for a few interruptions of short duration, caused by the land lines being in contact.
There were fifty-five hours and thirty minutes (55 h. 30 m.) of fog and the fog signal was fired 352 times.
On three occasions the relief was delayed by rough weather.
WAGLAN ISLAND LIGHTHOUSE.
During 1911, 2,281 messages were sent and 663 received; 2,063 vessels were reported, and owing to interruption of telegraphic communication 140 vessels were not reported.
There were 183 hours and forty-eight minutes (183 h. 48 m.) of . fog and the fog guns were fired 1,928 times.
On two occasions the relief was delayed by rough weather.
GREEN ISLAND LIGHTHOUSE.
During 1911, 1,582 vessels were signalled and reported. 536 messages were sent and 477 received.
Owing to telephonic communication being interrupted at ten different times during the year, 67 vessels were not reported.
In the latter part of the year Matthews Trinity House vapouris- ing oil burner, on the "Kitson" system, was installed at Gap Rock, Waglan Island and Green Island Lighthouses, replacing the Trinity House wick burners.
It is the latest Trinity House improvement in Lighthouse illumination, thus bringing our three leading lights up to a high state of efficiency, and comparing favourably with any modern light. The intensity of the light is greatly increased, at the same time an approximate saving of 51% on oil consumption has been effected.
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