From:
Johann Heinrich Mädler and Wilhelm Beer
To:
Sir John Herschel
Date:
[25 July 1837]
Source of text:
RS:HS 12.270
Summary:
The departure of missionaries [again; see JM's and WB's 1835-8-6] allows JM and WB to send along further material on the Mappa Selenographica.
Contributor:
John Herschel Project