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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.
Agrees with GS's assessment of Ernst Klinkerfüss's paper [see GS's 1866-2-27].
Further comments on Ernst Klinkerfüss's paper, in response to JH's 1866-2-28.
Comments further on Ernst Klinkerfüss's work [see JH's 1866-2-28]; on the behavior of light emitted by an electric spark.
Comments on a letter GS received from Ernst Klinkerfüss, which leaves GS convinced of the basic correctness of the views of GS and JH.
Resolution reappointing JH and others to committee to persuade Russian government to establish magnetic observatory at Tiflis [Tbilisi, Georgia] under direction of Prof. [?] Moritz.
[Writing to a correspondent in Manchester], apologizes that because of illness JH unable to take chair at 'your College Meeting.'
Comments on some of CL's writings; further argues that a canal at Suez and/or Darien would have a major effect on European climate due to the effect of ocean currents coming through such canals.
Some minor suggestions regarding CL's proofs [see CL's 1866-10-19].
Appreciates the receipt of volume one of the tenth edition of CL's Principles of Geology.
Is trying to assist in finding someone to review a book [The Heavens] by [Amédée] Guillemin.
Opposes sending expensive scientific equipment for J. B. N. Hennessey to use in India; suggests instead a variety of useful observations needing to be made, using inexpensive equipment. Discusses son's [Alexander] spectroscope observations of meteors.
About William Whewell's accident, and the ideas of E. F. W. Klinkerfüss on the behavior of light due to the motion of a star source.
Further recommendations regarding useful equipment and observations to be made in India [see JH's 1866-8-11]. Agrees that meteorological experiments there are desirable. Offers JH's son John's experience of India to ES.
Informs JH that his comments against sending a major telescope to India were decisive [see JH's 1866-8-11 & 1866-9-4]; biggest cost impediment was salary of observer.
In response to ES's 1866-12-6, JH sees no benefit in a great equatorial telescope in India being an itinerant instrument.
Comments on the state of William Whewell's health, and about the theories of E. F. W. Klinkerfüss [see JH's 1866-2-27].
Asks JH to recommend a reviewer for a popular book on astronomy.
Thanks JH for recommendation [see GS's 1866-3-2].
Declines to be involved in another [scientific ?] undertaking, as JH's health is too precarious.
Is sending WH papers and material on weights and measures. Proceeds to argue strongly against any introduction of the metric system into India.