From:
Edward Sabine
To:
Sir John Herschel
Date:
[16 July 1825]
Source of text:
RS:HS 15.12
Summary:
Reports his 'entire failure' with Charles Bonne to see signals from both La Canche and Mont Javoul on the same night. Tells of moving the telescopes to Tuniers on 1825-7-15. Speaks of similar experiments elsewhere, which also failed. Concludes that distance is not the only factor in distinguishing signals. Plans to visit JH on 1825-7-25.
Contributor:
John Herschel Project