Asks JH to review paper on blue color of sky, polarization of skylight, and polarization of light by cloudy matter.
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Asks JH to review paper on blue color of sky, polarization of skylight, and polarization of light by cloudy matter.
Thanks for JH's suggestions on JT's outline of comet speculations. [G. B.] Airy, too, has replied. Includes more speculations on 'envelopes' and nucleus of comet.
In response to JH's comments on JT's explanation of comets says faintness of head and nucleus does not indicate non-existence; eye may not see all. Experiments with polarized light produce 'gorgeous' 'residual blue.'
Encloses reference to one of JH's letters to JT that has already been printed.
Is delighted with JH's exposition of colors of thin plates and of measurements of a wave of light in Familiar Lectures. Asks permission to quote from it.
Gratified by JH's 'sympathy and approbation,' and that JH's writing and spirit remain 'firm' and 'fresh.'
Thanks for suggestion-filled letter. Remarks on blue color of water.