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
Showing 1–4 of 4 items
Requests JH sign certificate for [W. F.] Hook. Asks JH to forward it to William Whewell for his signature.
Has signed certificate for [W. F.] Hook. [See ES 1861-12-5] Congratulates ES [on presidency of R.S.L.]. JH on B.A.A.S. balloon committee. Proposes design for metallic thermometer.
Pleased ES and [Balfour?] Stewart like plan for metallic thermometer. Suggests way to obviate effect of pendulous movement of the suspended weight.
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.