From:
Sir John Herschel
To:
Edward Sabine
Date:
[1864-6-9 or later]
Source of text:
TxU:H/L-0360.1; Reel 1054
Summary:
Pendulum experiments to be conducted at stations of Great Indian Trigonometrical Survey.
Contributor:
John Herschel Project
Pendulum experiments to be conducted at stations of Great Indian Trigonometrical Survey.