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A simple single-axis rotation apparatus

Published online by Cambridge University Press:  14 March 2018

N. H. Hartshorne
N. H. Hartshorne*
Affiliation:
Formerly of the School of Chemistry, University of Leeds
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Summary

The apparatus enables a small crystal to be rotated through 360° about an axis parallel to the stage of a polarizing microscope, while immersed in a liquid of known refractive index. Angles of rotation are measured on a graduated drum to the nearest degree. The working distances separating the crystal from the objective and the condenser are sufficiently small for wide-angle interference figures to be obtained. The crystal is easily mounted and centred.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 33 , Issue 263 , December 1963 , pp. 693 - 696
Copyright
Copyright © 1963, The Mineralogical Society

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