The transcript of this letter is not available online on Ɛpsilon.
Please cite as “Herschel8689,” in Ɛpsilon: The Sir John Herschel Collection accessed on 28 April 2024, https://epsilon.ac.uk/view/herschel/letters/Herschel8689
Unable to visit, but has sent two papers on the orbits of double stars. Discusses double stars, noting that four double stars are now known to orbit with periods less than a century long. Wilhelm Olbers is seriously ill.
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]