Christopher Chan
Norah Head Lighthouse
Originally powered by a kerosene concentric wick lamp and featuring a Fresnel lens prism floating on a mercury bath. The prism was rotated by descending weights, the light was electrified in 1961 and fully automated in 1995. The light flashes twice in 30 seconds, and is visible to 27 nautical miles. (Wikipedia)
4xp HDR
Prints and Cards : Red Bubble (Australia) | ImageKind (US)
Norah Head Lighthouse
Originally powered by a kerosene concentric wick lamp and featuring a Fresnel lens prism floating on a mercury bath. The prism was rotated by descending weights, the light was electrified in 1961 and fully automated in 1995. The light flashes twice in 30 seconds, and is visible to 27 nautical miles. (Wikipedia)
4xp HDR
Prints and Cards : Red Bubble (Australia) | ImageKind (US)