From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[31 March 1843]
Source of text:
Science Museum Talbt 1/36 (C: RS:HS 22.151)
Summary:
Zodiacal light is a real phenomenon. Further comments on negative to positive process. Questions whether WT can define one cometary orbit with two observations.
Contributor:
John Herschel Project