From:
James South
To:
Sir John Herschel
Date:
[1821]
Source of text:
TxU:H/M-0946.1; Reel 1083
Summary:
Sends three chronometers set to Blackman St. time. Confirm them by a transit of Arcturus tomorrow, then return them to JS at Blackman St. Gives times for next rocket firings.
Contributor:
John Herschel Project