The transcript of this letter is not available online on Ɛpsilon.
Please cite as “Herschel14424,” in Ɛpsilon: The Sir John Herschel Collection accessed on 6 May 2024, https://epsilon.ac.uk/view/herschel/letters/Herschel14424
A. D. Bache reports that self-recording instruments are installed at Washington observatory and ready to begin observations. ES is making field observations to confirm changes in magnetic lines in England since ES's 1837 survey. [JH annotation: Summary of Bache's letter. Joint survey by Smithsonian Institution and U.S. Coast Survey will begin when Bache receives full instructions from Sabine.]
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]