Letter | Published:

A New Series in the Magnesium Spectrum

Nature volume 68, page 200 (02 July 1903) | Download Citation

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Abstract

IN your issue of April 16 there is an abstract of a paper communicated by Prof. Fowler on the above subject to the Royal Society. He shows that his new series is of the same type as the special series for magnesium discovered by Rydberg, and represents it by a similar formula to that used by Rydberg. But in “The Cause of the Structure of Spectra” (Phil. Mag., September, 1901) I have shown that the Rydberg series for magnesium can be represented by a formula which brings out the existence of harmonics in atomic vibrations. These can be demonstrated in the hydrogen spectrum also, but it seemed to be of interest to inquire whether the new series gives a further example of the existence of optical harmonics. It does, for the vibration numbers of its four lines can be given by the formula where s has the values 4, 5, 6 and 7.

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  1. Melbourne, May 27.

    • WILLIAM SUTHERLAND

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DOI

https://doi.org/10.1038/068200b0

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