From:
Sir John Herschel
To:
John Tyndall
Date:
[31 July 1856]
Source of text:
RS:HS 23.175 (C: RI 502)
Summary:
Clarifies letter on motion and structure modification of glaciers. JH thinks glacier ice unfavorable for exhibiting JT's phenomenon [see JT's 1856-7-30].
Contributor:
John Herschel Project