From:
Sir John Herschel
To:
Thomas John Hussey
Date:
[31 December 1825]
Source of text:
RS:HS 10.137 & 20.227
Summary:
Sending by the bearer mirror No. 3 of which he spoke. Will exchange it for Troughton's if TH can make use of JH's. Do not attempt to clean Edward Troughton's mirror with acid. Hopes he does not feel obliged to carry out any particular series of observations.
Contributor:
John Herschel Project