AN ingenious cableway to carry food and essentials from a delivery boat at sea over 150‐ft. cliffs to the Round Island lighthouse in the Scilly Isles, operated by Trinity House lighthouse service, has to be preserved from corrosion caused by extreme conditions of salt, sea spray and varying weather. This 400‐ft. wire rope is belayed to a nearby islet and carries a traveller and hoist, the latter being lowered by remote control to the relief boat for loading.
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