Publisher's Synopsis
Excerpt from A Spectrographic Study by Means of a Grating (Replica) Spectroscope and the Determination of the Wave Lengths of the Arc Spectrum of Tantalum: Presented to the Faculty of Vanderbilt University as a Thesis for the Degree of Doctor of Science
The original object of this research was to investigate the contents of rare elements in some of the clays of the South; and for this purpose, samples were collected from as many different points as possible.
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