From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 April 1845]
Source of text:
RGO 6.675.391
Summary:
Last letter to JH was private [see GA's 1845-4-1].
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Last letter to JH was private [see GA's 1845-4-1].
Wants information on dispersion/separation of light in plate or crown glass.
Provides the best values available for dispersion and separation, which will allow GA to calculate what he needs [see GA's 1845-4-4].