The transcript of this letter is not available online on Ɛpsilon.
Please cite as “Herschel8938,” in Ɛpsilon: The Sir John Herschel Collection accessed on 28 March 2024, https://epsilon.ac.uk/view/herschel/letters/Herschel8938
Congratulations on the balloon ascent to 30,000 feet by James Glaisher and Henry Coxwell. Suggests far greater heights are possible using compressed oxygen to breathe and the 'Peruvian coca leaf' [cocaine] as a source of strength.
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]