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Monolithic Towers of Cement Rubble for Beacons and Lighthouses

Abstract

IT occurs to me to suggest the trial of common rubble set in Portland or other equally good cement in the construction of beacons and seamarks, as also for lighthouses. The advantages of employing cement rubble, not in prepared blocks but by continuous building, are the following:—

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STEVENSON, T. Monolithic Towers of Cement Rubble for Beacons and Lighthouses. Nature 4, 366–367 (1871). https://doi.org/10.1038/004366f0

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