From:
Francis Beaufort
To:
Sir John Herschel
Date:
22 July [1839]
Source of text:
RS:HS 3.407 (ACC: Hydrographic Office Letter Book)
Summary:
Is dismayed that Thomas Maclear is unable to obtain manual assistance at the Cape for the compensating bars. Bars were shipped on Friday. Next time JH passes the Admiralty he will show him the debris of the actinometer.
Contributor:
John Herschel Project