Sends the formula for finding the maximum diameter of the planets.
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The Sir John Herschel Collection
The preparation of the print Calendar of the Correspondence of Sir John Herschel (Michael J. Crowe ed., David R. Dyck and James J. Kevin assoc. eds, Cambridge, England: Cambridge Univ. Press, 1998, viii + 828 pp) which was funded by the National Science Foundation, took ten years. It was accomplished by a team of seventeen professors, visiting scholars, graduate students, advanced undergraduates, and staff working at the University of Notre Dame.
The first online version of Calendar was created in 2009 by Dr Marvin Bolt and Steven Lucy, working at the Webster Institute of the Adler Planetarium, and it is that data that has now been reformatted for incorporation into Ɛpsilon.
Further information about Herschel, his correspondence, and the editorial method is available online here: http://historydb.adlerplanetarium.org/herschel/?p=intro
No texts of Herschel’s letters are currently available through Ɛpsilon.
Sends the formula for finding the maximum diameter of the planets.
Shocked by death of [Professor E. D. Clarke], JH supports [J. S.] Henslow as candidate to succeed Clarke. Apologizes for incorrect charging of JW for Analytical Society Memoirs [see JH's 1822-2-23]. Asks JW to find out whether William Whewell will write article on physical astronomy.
Would like his help on observations of double stars. Comparison of data. Gives details of stars and distances of certain planets from the earth.
Encloses JH's translation of J. J. Littrow's method of determining latitude by pole star. It already appeared in F. X. Zach's Correspondance astronomique.... Send Francis Beaufort's survey of Karamania coast.