From:
Edward Sabine
To:
Sir John Herschel
Date:
[21 November 1846]
Source of text:
RS:HS 15.199
Summary:
JH must inform Lt. Dayman of the actinometer observations to be done. Thanks JH for his actions regarding the Royal Medal. Wants to show Lord Angbury[?] a copy JH's letter.
Contributor:
John Herschel Project