Document ID: chunk:federal_register_of_legislation:F2022L01056:reg:1925
Version: federal_register_of_legislation:F2022L01056
Segment Type: reg
Provision Reference: reg 1925
Character Range: 42749–43267

1925            Kerosene lamp replaced by a pressurised kerosene incandescent-mantle system.
                Strength of main light increased from 450,000 to 784,000 candle power, with a visibility of 20 miles on clear nights. Speed of rotation of the lens reduced – flashing 7.5 secs with the length of the flash lasting 0.3 secs.

14 June 1982    Converted to mains electricity with standby diesel alternator, 1000W tungsten halogen lamps.
                Intensity: 1,000,000 cd.

September 1992  Light automated.