Search: Herschel, John in correspondent 
Boileau, John Theophilus in correspondent 
1830-1839 in date 
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From:
John Theophilus Boileau
To:
Sir John Herschel
Date:
[12 October 1839]
Source of text:
RS:HS 5.81
Summary:

Has been appointed by the East India company to supervise the instruments at the Bengal Observatory and finds there is no actinometer. Would like details of a good one and JH's views on his suggested modifications.

Contributor:
John Herschel Project