#lighthouse #ocean Constructional Details of Three Types of Lighthouse Cross-sections through a caisson lighthouse, a rock lighthouse and a screw-pile light. These drawings show the structure of the house, position of the lanterns and dimensions in relation to the surrounding water. Note the solid proportions of the masonry. The base of the rock light structure is dovetailed into the live rock and the structure grows above it. The screw light, as the name indicates, is literally screwed into sand or coral. The caisson light’s base is sunk and fitted with concrete. from: The Wonderful Story of the Sea; AC Hardy; c1950; Odhams Press, London. View high resolution

#lighthouse #ocean

Constructional Details of Three Types of Lighthouse

Cross-sections through a caisson lighthouse, a rock lighthouse and a screw-pile light. These drawings show the structure of the house, position of the lanterns and dimensions in relation to the surrounding water. Note the solid proportions of the masonry. The base of the rock light structure is dovetailed into the live rock and the structure grows above it. The screw light, as the name indicates, is literally screwed into sand or coral. The caisson light’s base is sunk and fitted with concrete.

from: The Wonderful Story of the Sea; AC Hardy; c1950; Odhams Press, London.

Notes

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