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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.
Is observing the heavens from Etna. [Letter continued 11 July from Palermo:] Recent experiences touring Sicily.
The Insurance firm for which he acted as director has been wound up. Has taken a holiday in the country.
His recent tours in Italy and Germany, and the people he met.
Is glad to hear of his speedy return. Regarding JH's instruments and their passage through the customs. Is writing a book on Assurance Companies.
Regarding the change of ownership and policy of the Edinburgh Philosophical Journal. Would like a paper from him for the first number. Marked 'Private.'
Praises old Edinburgh Philosophical Journal. Promises to send DB some materials for publication.
Has just received his letter and Struve's observations. Comments on these and those of F. W. Bessel.
Mislaid the copy of one of JB's mss. and would be grateful if he knows of its whereabouts. In the course of his travels in Europe he has seen some astronomical instruments, which will in time surpass any British made ones and especially those of G. B. Amici and Josef Fraunhofer.
Has only fragments of the paper for which JH inquires; original was left for W. H. Wollaston to amend. Thanks for congratulations on the award of the Copley Medal. Was interested to hear about the new German astronomical instruments.
Sends GA information about indices of refraction in different glasses and in different parts of the spectrum; also recommends the writings of Josef Fraunhofer.
Is sending a letter from Dr. John Brinkley, and the corrected elements of the comet.
Regarding the magnetic polarity of the earth.
Sends pamphlet on observations they made together on Mount Cuccio. Regarding the coefficient of expansion of the atmosphere. Will repeat his observations in the coming winter. Present the other copy to the Astronomical Society.
Would be pleased if JH would obtain some flint-glass for him when he goes to Munich.
Packets will be sent Saturday by Smith, Elder & Co., so that the one for [Caroline] Herschel will not be late for Mr. Köhler.
Requests answer to JP's earlier letter. Observations of photospheres around planets and satellites.
Observations of Venus by William Herschel and JH. Only J. H. Schröter claims to have seen 'deep marginal indentations' that JP claims.
Has received JH's note, and JF will visit JH next Wednesday, accompanied by D. F. J. Arago and [C. L.] Mathieu.
Please recommend London instrument makers to supply new Edinburgh observatory. Josef Fraunhofer was asked to make only lens for transit instrument, but wants to make entire instrument. [JH annotation: Recommended Fraunhofer for entire transit instrument and Robert Molyneux for clock.]
Repeat computation for Jupiter's satellite IV [see TY's 1824-4]. Explains W. H. Wollaston's 'blue bow.' See figure 422 of TY's [Lectures on Natural Philosophy].