Note to accompany the reported observations of JH's son John.
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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.
Note to accompany the reported observations of JH's son John.
Would like his advice on how to publicize Lieut. John Herschel's letter; shall he send it to G. G. Stokes? Comments on the method for viewing the forms of prominences.
Thinks it would be best to send his son's letter to G. G. Stokes at the R.S.L. Cannot give a positive opinion on WH's plan for seeing the prominences. Finds some discrepancies in the Report of WH's paper on Sirius and the paper itself.
Has sent Lieut. John Herschel's letter to G. G. Stokes. Gives reasons for the discrepancies in the report of his paper and the paper itself. Is wondering whether to set up his large telescope further from London.
Suggests the planet Mercury may be a good subject for his spectroscopic experiments. Gives comments and explanations on his proposals. May like to communicate the results to the R.A.S.
Note to correct calculations in an earlier letter [see JH's 1869-9-20].
Burn his [last] letter as he made a blunder in his geometry. Cannot imagine how he made the blunder. Gives new formulae for observing Mercury.
Unable to make any observations at the moment as his observatory is being enlarged to receive his new large telescope. Thinks it would be a good idea to carry out observations on Mercury. Is not sorry to be able to rest his eyes from his trying spectrum experiments.
Is much obliged for the more correct determination of Mercury. As soon as he gets his new apparatus he will try to obtain observations of the planet.
The Council of the R.A.S. would like JH's opinion on the accompanying paper and drawing by Francis Abbott, and whether it should appear in the R.A.S.M.N.
Giving his opinion on a paper and drawing of [Francis] Abbott.
Further report on a paper and drawing of [Francis] Abbot [very similar to WH's 1870-5-18].
Requests that WH sign the certificate for the election of JH's son John as a Fellow of the R.S.L.
Apologizes for forgetting that since WH is on the Council of the R.S.L. he is precluded from signing [see JH's 1870-8-18].
Has had a letter from Cleveland Abbe inquiring when JH's Catalogue of Double Stars can be expected. Howard and Thomas Grubb have just erected his telescope but the eye end is not finished. Instrument will be very 'handy.'
JH is preparing a digest of all double star observations; also comments on sunspot activity.
Has sent JH's letter to Cleveland Abbe with a request to send JH the information. Has not seen the sun through his new telescope yet.
Thanks WH for informing JH of his son John being selected as a Council nominee for election to F.R.S.
Directs RM and Charles Pritchard to examine late JH's manuscript on history of double stars, sent to Radcliffe Observatory.