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1. On a New Species of Coloured Fringes developed between certain pieces of plate-glass, exhibiting a new variety of polarization, and a peculiar property which renders them available for the purposes of Micrometry

Published online by Cambridge University Press:  16 March 2015

Mungo Ponton
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Extract

The author, when he first observed these fringes, found that they presented the appearance of three rectilinear bands, each consisting of black, white, and coloured stripes; but the central band was afterwards found to be composed of two united into one. There is thus a band for each of the four surfaces of the plates, the two side ones, appertaining to the uppermost and undermost surfaces, and the centre ones to the surfaces which are approximated. The peculiarities by which they are distinguished are as follows:—

Type
Proceedings 1833–34
Information
Proceedings of the Royal Society of Edinburgh , Volume 1 , 1845 , pp. 27 - 33
Copyright
Copyright © Royal Society of Edinburgh 1844

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