From:
Sir John Herschel
To:
George Biddell Airy
Date:
[13 April 1862]
Source of text:
RGO 6.200.18
Summary:
Responds carefully to the question of observational, and reduction, dates [see GA's 1862-4-12].
Contributor:
John Herschel Project
Responds carefully to the question of observational, and reduction, dates [see GA's 1862-4-12].