Thanks JH for the books sent, and describes the work at Geneva in making geodesic measurements.
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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 JH for the books sent, and describes the work at Geneva in making geodesic measurements.
William Herschel is getting weaker, but is not in pain. Lady Mary Herschel is anxious for JH's arrival.
JG is called home urgently. Does not want to go, but feels painful duty to do so. Cancels visit to Slough. Asks JH to retrieve prints that JG left at Downing St.
Hopes JH's presence is solace to JH's mother. Wants to visit Slough, but must return to Scotland before 10 Sept. Death of William Herschel and need to surrender to God's will. Prays for JH and JH's mother.
Condolences on death of William Herschel.
Condolences on death of William Herschel. JH should not feel guilty for being absent.
Extols friendship with William Herschel. Regrets that JP cannot attend funeral.
Condolences on death of William Herschel.
John and William Langton will handle legal matter of Mr. Davenport's overdue rent. Sends JH's stockings. Mrs. Goodall says wonderful things about JH. Mary Baldwin leaves Slough on Wednesday. MH cannot stay alone; will seek another companion.
Settlement made on Mr. Davenport's back rent. Wishes JH had been there to bargain for William Herschel. Planning trip to London. JH invited to Miss De Luc's party. William Herschel is weak, unable to walk.
Visit from Sir David Smith and wife. Family health. Mr. Davenport is ignoring all letters. Extend invitation to Slough to Mrs. Wrangham and Mrs. Beckwith.
Received JH's letter from Calais. Visitors to Slough. Marquess of Londonderry committed suicide.
William Herschel is dangerously ill. Hurry home.
Visited Langton family. Visitors at Slough. Elizabeth Langton is staying with MH. Hopes to make peace between Elizabeth and her cousins. JH's rooms 'over the way' are almost finished. Still grieving for William Herschel. Concerned at not hearing from JH's aunt.
JH omitted Mrs. Beckwith and [Charles] Babbage in the list given to M [undertaker] this morning. Please send their addresses.
WS asks that his name be given to the Astronomical Society and attaches a copy of observation of double stars made at Dorpat. WS also inquires about copies he had previously sent to William Herschel and to the R.S.L., offering to replace them if they have been lost.
Following the death of JH's father, William, JDH comments on Caroline Herschel's arrival in Hanover, and expresses his concern about the situation of JH's mother.
Writes to JH (AK's uncle) for the first time, asking for news. Recalls JH's visit to Hanover. Comments on the respect in the world for JH. Appears to be intending to accompany her husband to England for a business trip.
Thanks for sending your catalogues. Requests duplicates. Has made annotations indicating the 'quantity which Mr. [F. W.] Bessel's Instrument places the stars to the south of my determinations.' Cannot yet explain discrepancy. Unable to determine a parallactic shift for Alpha Lyrae, Alpha Aquila, or Gamma Draconis.
Thanks JH for extract from a letter from [J. J.] Littrow. Discusses in detail positional determinations of various stars he has made, attempting to determine whether errors of either observations or computation have entered into his results. Reports that in general there is substantial agreement between determinations made by JP and those made by John Brinkley at Ireland's Royal Observatory. Mentions solar observations at Greenwich.