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VI.—A Model for a Polarizing Microscope

Published online by Cambridge University Press:  01 May 2009

W. N. Benson
Affiliation:
Emmanuel College, Cambridge.

Extract

Probably most teachers of petrology have experienced difficulty in making clear to some elementary students the manner in which light is transmitted through a polarizing microscope, and the explanation of birefringence and pleochroism. In such circumstances I have found very helpful the analogies illustrated by an easily constructed model. Doubtless such an instrument has been used before, but, as the textbooks make no mention of it, a description may be of use here.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1913

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