From:
Sir John Herschel
To:
John Tyndall
Date:
[13 December 1868]
Source of text:
RS:HS 19.160b
Summary:
JT's paper on polarization of sky light suggests that neutral points are functions of cloud density. This verifies JH's earlier explanation of blue sky color. Incomplete polarization. Cause of blue color in water. Corrects note on W. A. Miller's observations of rainbows.
Contributor:
John Herschel Project