IT has been shown by Schüler and the present author that the first spark spectrum of lithium (the Li II spectrum) is of the same type as the arc spectrum of helium and consists of two spectral systems ...
IN a recent number of the Proceedings of the Royal Society Prof. McLennan and Mr. Ainslie have announced the interesting discovery of a new component of the line λ = 6708 in the spectrum of lithium, ...
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