The refractive indices of fluorite, quartz, and calcite

1. Method of Observation.—Measurements of fluorite, quartz, and calcite have been made by Rudberg, Mascart, Cornu, Sarasin, Glazebrook, Van der Willigen, Vogel, Pulfrich, Rubens, Baille, and many others. Those now offered were originally undertaken with the view of further extending the range and ac...

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Bibliographic Details
Published in:Proceedings of the Royal Society of London 1902-09, Vol.70 (459), p.329-340
Main Author: Gifford, J. William
Format: Article
Language:English
Subjects:
Calcite
Circles
Fluorite
Light refraction
Micrometers
Microscopes
Optical reflection
Prisms
Sine function
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Summary:1. Method of Observation.—Measurements of fluorite, quartz, and calcite have been made by Rudberg, Mascart, Cornu, Sarasin, Glazebrook, Van der Willigen, Vogel, Pulfrich, Rubens, Baille, and many others. Those now offered were originally undertaken with the view of further extending the range and accuracy of lenses constructed of these substances. A new method of obtaining the refractive indices has been adopted. Each of the angles of the prisms used was as nearly as possible 60°.
ISSN:0370-1662
2053-9126
DOI:10.1098/rspl.1902.0033