Thanks RG for a copy of the History of Physical Astronomy; comments on the behavior of cometary tails.
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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.
Thanks RG for a copy of the History of Physical Astronomy; comments on the behavior of cometary tails.
About possible changes in the second edition of JH's Outlines Astr. due to the writings of another astronomer, Ignatio Porro.
About viewing the solar eclipse, and the many errors in G. B. Airy's Lectures.
Returns Mary Somerville's note and the papers. Does not feel competent to give his opinion on the papers as a whole as there are parts outside his field of study. Comments on some of the points raised, and on the whole he disagrees with the conclusions of the papers.
Has kept Mary Somerville's papers a little longer. If these papers are to be published they would require considerable revision.
Sorry to hear he has been laid up, but his recovery has been quicker than his own. Unable to help him as his own lands have to be sold, but encloses a check for £20, which please acknowledge with a promissory note.
Thanks for having been informed of the death of an acquaintance.
Reports on a meeting of the R.A.S., mostly talking about sun spots.
Outlines the changes he would like to see in the column for Equinoctial Time in the Nautical Almanac.
Regrets a week has elapsed before replying to her letter, but is pleased that Miss Mathilde Oersted had so high a regard for his speech concerning her illustrious father.
Answers questions raised by AH in his 1850-1-19 [letter contains notes made by AH].
JH has been delayed in replying to AH's 1851-8-13 because of official duties at the Great Exhibition. Comments further on several astronomical matters.
Encourages his son Willie to show that he deserves the favors WH has received from W. H. Sykes.
Bringing the position of G. R. Waterhouse to his notice and giving list of persons who have testified in his favor.
Thanks for his letter and projection. Compares it with one of his own devising and encloses a chart of the isothermal lines of the Northern hemisphere. Has used a different system for his Cape Results.
Regrets delay in replying. Explains the various editions of Sir William Herschel's works.
Explaining his own idea of probability. [This appears to be the original, which was never sent as Lord Jeffrey died 1850-1-25.]
Regrets he is unable to support his project for the church as he has many more worthy commitments.
Considers the education of the lower orders an honorable object, but has never given a public lecture and feels unable to assist.
Sends her a newly minted florin.