From:
C. Goring
To:
Sir John Herschel
Date:
1825-1
Source of text:
RS:HS 8.225
Summary:
Query regarding the diagrams in one of JH's articles in R.S.P.T. Has purchased one of the compound lenses on JH's recommendation, and relates some experiments with it. Would be pleased for JH to call at his house.
Contributor:
John Herschel Project