Abstract
AMONG the little remembered writings of that remarkable man, H. F. Talbot, there is an optical note in which he describes the behaviour of fused nitre (nitrate of potash) as observed under the polarising microscope. The experiments are interesting and easily, repeated by anyone who has access to a suitable instrument, by preference one in which the Nicols can be made to revolve together So as to maintain a dark field in the absence of any interposed crystal.
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RAYLEIGH Talbot's Observations on Fused Nitre. Nature 98, 428 (1917). https://doi.org/10.1038/098428b0
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DOI: https://doi.org/10.1038/098428b0
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