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On the method of minimum deviation for the determination of refractive indices

Published online by Cambridge University Press:  14 March 2018

G. F. Herbert Smith
G. F. Herbert Smith*
Affiliation:
British Museum
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Extract

A determination of the refractive power, which need be accurate to the second place of decimals only, is of considerable service for the discrimination of transparent substances, such as, in particular, faceted gem-stones. If the substance be so highly refractive that a total-reflectometer be not available, the method of minimum deviation is the simplest hat can be used.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 14 , Issue 65 , May 1906 , pp. 191 - 193
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1906

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