Abstract
THE Thomas Young lecture of the Optical Society will be delivered in the lecture hall of the Chemical Society this evening by Prof. R. W. Wood, of the Johns Hopkins University, Baltimore, U.S.A. The subjects will be “The Echelette Grating” and “The Mercury Telescope.”
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Notes . Nature 84, 400–404 (1910). https://doi.org/10.1038/084400a0
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DOI: https://doi.org/10.1038/084400a0
