商用電源
In 1922 an improved apparatus was installed, doubling the power to 1,000,000 cd. In 1956 the light was electrified, the clock mechanism was replaced by an electric motor, and the light source was replaced with a 1000-watt 120-volt tungsten-halogen lamp with an intensity of 2,200,000 cd, fed from the Mains electricity, with a 2.5 KVA backup diesel alternator. At that time, the keeper staff was reduced from three to two.