From:
Sir John Herschel
To:
John Henry Dallmeyer
Date:
[25 December 1870]
Source of text:
RS:HS 24.340
Summary:
Thanks and a detailed description of the functioning of a pair of binoculars sent by JD to JH.
Contributor:
John Herschel Project
Thanks and a detailed description of the functioning of a pair of binoculars sent by JD to JH.