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Lighthouse Work


IN the second of the very interesting articles on “Lighthouse Work in the United Kingdom,” by Mr. J. Kenward, which have appeared in your pages, some words are used, not intentionally, I believe, but which, by those who are unfamiliar with the subject, might be construed in such a way as to deprive the late Mr. Thomas Stevenson of the credit due to him as the inventor of the dioptric mirror. The following is an extract from Mr. Thomas Stevenson's “Lighthouse Construction and Illumination,” published in 1881, which puts the matter on a correct footing:—

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STEVENSON, D. Lighthouse Work. Nature 36, 243–244 (1887).

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