From:
James Clark Ross
To:
Sir John Herschel
Date:
[31 July 1839]
Source of text:
TxU:H/M-0463; Reel 1093
Summary:
Preparations for departure prevented JR from dining with JH at Slough. Working on pendulum with Edward Sabine. Thanks JH for sending gimbals.
Contributor:
John Herschel Project