Comments on a table of U. J. J. Leverrier on the eccentricities of the earth's orbit.
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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.
Comments on a table of U. J. J. Leverrier on the eccentricities of the earth's orbit.
Criticizes the manuscript of Mr. Hickson [?] about meteorology, the diameter of the sun, and conditions at the North Pole. JH recommends against publishing the work without considerable editing.
Thanks GR for letter and anecdotes. Discusses Uranus and Jupiter and the long years the inhabitants of those planets, if there are any, must experience.
Comments on the political change within Italy. Answers questions about spectrum analysis, spectra of nebulae, and [solar] 'willow leaves.' Says the view of universe as a collection of billiard balls is problematic. Includes postscript from JH's daughter Bella describing family events.
Comments on the unevenness of generations; speculations about life on Uranus; expects to finish translation of the Iliad by the end of the year.
Longs to hear from AD; comments on JH's health and on the weather.
Appreciates invitation to publish some writings by JH in The Reader, but does not at present have suitable manuscripts. Is no longer active in astronomical observation.
Reports on accommodations and the activities of those family members with JH.
Tells MH about the contents of letters from sons John and William, and about daughter Isabella's illness.
Most of the letter is devoted to a mathematical derivation to show that part of son John's work on errors in geodetic observations is in error; however, part is highly praised by JH. Remainder of letter is clearly intended as a morale booster for John.
HJ writes to AH to inform him that HJ has nominated AH for the vacancy left by Robert FitzRoy's death [see Henry Holland's 1865-5-1].