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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 [Pierrre] Guinand's glass making process. Believes the glass made Guinand's way will be too expensive [see JH's 1827-10-20].
Writes in favour of a London University professorship for Thomas Key. Refers to some optical experiments of Michael Faraday, and extends solution of conic section problem first raised in WT's letter of 1826-2-27.
Describes prismatic spectrum of flame of cyanogen and offers to repeat experiment with Michael Faraday for JH's benefit.
Queries and comments about telescopes and microscopes; some thoughts about a diffraction grating.
Asks JH to clarify what goods are his from a joint order with WT from a German optical firm.
Renders an accounting of expenses for optical goods received from Germany.
Invitation from Duchess of Clarence [Adelaide] calls JH to London. Appointments with [Davies] Gilbert and R. H. Inglis on Monday. Will reschedule Board of Longitude meeting. Sent containers for Mr. Atherton. Paid MPH's bills. [Agnes] Kater is recovering. News of Beckwiths and James Grahame.
FB pleased by JH's note yesterday announcing JH's resignation [as secretary of] R.S.L. Hopes JH will accept 'another office' in R.S.L. at future date.
JH's resignation as R.S.L. secretary. Reports finding papers. Will confirm that Greenwich observations reached Thomas Henderson. Thermometers and [John] Dalton's Elements arrived safely. Thanks for invitation to visit Slough.
Regrets JH's resignation as secretary of R.S.L.
Regrets what MPH told JH yesterday about Slough estate. If JH receives good offer, he may do what he judges best.
Regrets JH's resignation of R.S.L. secretaryship.
Regrets JH's retirement as secretary to R.S.L. Names possible successors.
Discusses WS's comparison of results with transit circle and Astronomical Society catalogue.
Apologizes for incident at meeting; feels partially at fault for encouraging WS to speak on the subject. Advises WS on his microscope order. Stays at Slough because of good observing conditions.
As G. B. Airy has chosen not to stand as a candidate for the astronomical position in Dublin [Astronomer Royal of Ireland], JH is strongly supporting DL for that position.
On the questions of the usefulness of occultations and the use of mean time in astronomy, JH would much value WS's opinions.
Informs FB that it is JH's intention to resign as secretary of the R.S.L. at the next anniversary meeting.
Asks that list of errata be published before a committee meets to investigate 'the subject of Mr. Lee's [?] animadversions.'
Lacks information on Augustin Fresnel. Praises JH's drawing as rendering unnecessary annexing one to his paper. Has not yet unpacked the new telescope sent by John Ramage.