From:
John Tyndall
To:
Thomas Archer Hirst
Date:
14th June 1864
Source of text:
Add MS 63092, ff. 31-2; MS JT/1/HTYP/532, BL; RI
Summary:
No summary available.
Contributor:
Tyndall Project
No summary available.
Will be glad to do diagram for CD;
asks whether he has read a Hugo von Mohl paper [see 4349].