From:
Edward Sabine
To:
Sir John Herschel
Date:
[5 December 1861]
Source of text:
RS:HS 15.259
Summary:
Requests JH sign certificate for [W. F.] Hook. Asks JH to forward it to William Whewell for his signature.
Contributor:
John Herschel Project
Requests JH sign certificate for [W. F.] Hook. Asks JH to forward it to William Whewell for his signature.
A metallic thermometer will be constructed at Kew Observatory to test JH's proposal. Experiments on Index of Friction of gases to be resumed at Kew.