The transcript of this letter is not available online on Ɛpsilon.
Please cite as “Herschel2827,” in Ɛpsilon: The Sir John Herschel Collection accessed on 9 May 2024, https://epsilon.ac.uk/view/herschel/letters/Herschel2827
Has requested John Caldecott to do what is needful to his own and [Louis] Agassiz's actinometers. Mentions great magnetic disturbances in June are not correlated in Toronto, Greenwich, and other observatories. Mentions proposal for correlation of observations between U.S. and Britain. ES leaves soon for Guernsey.
Record created for the Calendar of the Correspondence of Sir John Herschel (CUP: Cambridge), 1998 by Michael J. Crowe ed., David R. Dyck and James J. Kevin assoc. eds
Digital record created by Dr Marvin Bolt and Steven Lucy at the Webster Institute of the Adler Planetarium
Converted to TEI by Michael Hawkins, Epsilon Project, Cambridge University Library
John Herschel Project[View Ɛpsilon collection]