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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.
Recently received telescope from the optician. Some adjustments are necessary. [Robert] Blair has a similar idea regarding telescopes. Asks JH to mention his idea to the Astronomical Society.
Health of JH's mother. Recommends History of George Godfrey. Asks if Waterloo, recently lost, was ship that 'C. White sailed in.' Gift for Wesleys. Letter from JH's aunt. Declining many invitations in order to continue star observations. Remembrances to the Grahames.
Invites JH to London to meet a friend of JG.
Gives views of her son (Charles Babbage) on hearing of his election to the Lucasian professorship at Cambridge.
Regarding letters from J. L. Tiarks concerning Saturn, and Dr. K. L. C. Rümker concerning J. C. Borda's pendulum at Parramatta.
Recent work and money expended on CB's machine. News of town. James South intends to sell his instruments.
JH's mother has been ill. Is JH coming into town?
Attended meeting of the Astronomical Society and made observations of Saturn. Invites JH to dinner party. Activities at the Board of Longitude. Contacts with French scientists.
Observed two known satellites of Uranus, confirming William Herschel's observations. States, 'I am sure there are more than two.'
Remarks on Saturn and measurable discs of stars.
Gives permission to release his telescope proposal to others. Discusses the progress of the telescope. Considers modifying the arrangement of lenses.
Regrets the error over the double stars. Is grateful to the Astronomical Society for the honor conferred on him. Regarding the observations of stars that he would like to deposit in a library.
Is grateful for the gift of his essay on Light, though she cannot comprehend all of it. Regarding her brother Francis and his work at Cambridge. Would be pleased to see JH at Edgeworthstown.
Is about to leave for England with Alphonse de Candolle. Gives news of his latest astronomical observations. Lists people he has met or hopes to meet.
Board of Longitude would approve providing Lieutenant Forbes with apparatus JH suggested. Inappropriate for any member to address Admiralty separately. Payment of expenses to committee members.
Is sending copies of a memoir on the triangulation of Savoy, prepared by GP and [Mr. ?] Carlini. Is including copies for other scientists and organizations.
Has not heard from [University of Virginia]. Position of lecturer in mathematics and natural philosophy has opened at Dollar Institution in Edinburgh. WR asks for recommendation for the position from JH.
Abandons TY's argument on Mr. Roberts's object glass. Asks JH's help in understanding A. J. Fresnel's calculations of diffraction and Josef Fraunhofer's discontinuous functions.
Sending the Gold Medal awarded to CH by the Astronomical Society and also a pair of bracelets from his mother; will send the indexes later. Just erected James South's large equatorial.
Accepts JH's extension of Class I double stars. Comments on comparison of these and suggests comparison of respective scales might be mutually useful. Includes continuation of work on micrometer measurements of Saturn. Notices strange eccentricity of Saturn's rings. Is considering comparing his degree-measurements with Finland and Lapland.