From:
George Biddell Airy
To:
Sir John Herschel
Date:
[18 October 1854]
Source of text:
RGO 6.212.342
Summary:
Informs JH that GA (and his assistants) have been making pendulum observations in a coal pit.
Contributor:
John Herschel Project
Informs JH that GA (and his assistants) have been making pendulum observations in a coal pit.
Responds to JH's request [see JH's 1854-10-17].