From:
Thomas Maclear
To:
Sir John Herschel
Date:
14] October [1837
Source of text:
RAS:JH Archive 6/2.39; Reel 8
Summary:
Compares TM's observations of 'spots' and colors [on lunar surface] to observations by others. At next eclipse, TM will use drawing of moon's face with spots labeled on it. Did JH note occultation? Chronometer is slow.
Contributor:
John Herschel Project