Abstract
IN the pamphlet before us we have a proposal for a new form of standard light, and the author has shown some considerable skill in drawing out his method of producing it. We cannot do better than quote his opening paragraph as showing the requisites of a standard that the author deems necessary. He says:—
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A., W. A New Standard of Light 1 . Nature 21, 158–159 (1879). https://doi.org/10.1038/021158a0
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DOI: https://doi.org/10.1038/021158a0