From:
Francis Lunn
To:
Sir John Herschel
Date:
23 September [1823?]
Source of text:
RS:HS 11.409
Summary:
Had difficulty with actinometer observations on Etna, but obtained a few. Has just obtained a living in Somerset. Is working for the Encyclopaedia Metropolitana at the moment but hopes to make a set of actinometer observations soon.
Contributor:
John Herschel Project