The transcript of this letter is not available online on Ɛpsilon.
Please cite as “Herschel1876,” in Ɛpsilon: The Sir John Herschel Collection accessed on 26 April 2024, https://epsilon.ac.uk/view/herschel/letters/Herschel1876
[Responding to JR's 1847-12-28], JH gives advice where to buy actinometers and what features to look for. JH cannot advise about hygrometers as these are to be used in very cold climates.
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]