D 15
On July 18th a Marconi 1 K. W. W/T apparatus was installed and regular communication was maintained with Cape D'Aguilar during cable breakdowns which occurred for a total period of 34 days 15 hours during which time three hundred and fifty (350) messages were sent and fifty-one (51) received.
C
On August 8th the Matthews' Kitson burner was superseded by the Hood's petroleum vapour burner; the latter is an improvement on the former both in simplicity and the greater intensity of the light produced.
There were one hundred and twenty-eight hours and forty minutes (128 hours 40 minutes) of fog and the fog signal was fired eight hundred and five (805) times.
The fortnightly reliefs were delayed eight (8) times during the year owing to bad weather.
WAGLAN LIGHTHOUSE.
During 1922, two thousand eight hundred and fifty-eight (2,858) vessels were reported by telegraph as passing this station, and one hundred and thirty-eight (138) were not reported owing to telegraphic communication being interrupted. Of the total number passing, seven hundred and eleven (711) vessels of various nationalities were signalled at night by Morse lamps.
Two thousand seven hundred and ninety-six (2,796) messages, including meteorological observations for the Royal Observatory, were sent and five hundred and twenty-nine (529) messages were received.
Telegraphic communication was interrupted on seventeen (17) days during the year.
There were three hundred and ten (310) hours of fog and the fog signal was fired three thousand one hundred and eighty (3,180) times.
On four (4) occasions the fortnightly relief was delayed owing to bad weather.
On August 12th, as in the case of Gap Rock, the Hood petroleum vapour burner was installed in place of the Matthews Kitson burner and has proved satisfactory.
On September 4th the erection of the Diaphone Fog Signal plant was completed and since that date many tests have been made, but the signal is still in the experimental stage.
GREEN ISLAND LIGHTHOUSE AND SIGNAL STATION.
During the year, one thousand and eighty-eight (1,088) vessels were signalled and reported, in addition to which three hundred and forty-two (342) messages were sent and forty-one (41) received.