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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.
Sends letter of [Johann] Lamont, whose suggestions have been adopted by the Physical Committee. Discusses size of instruments, particularly needles.
Discusses plans for printing of 4 maps of terrestrial isotherms prepared by [H. W.] Dove along with Dove's commentary.
Sent JH's letter concerning actinometers to all observatories. [Johann] Lamont must be informed of recent work. ES comparing fluctuations of direction and force at Toronto and Van Diemen's Land. Mentions [G. B.] Airy and air currents.
Received a stray dispatch, dated at sea, from [James] Ross. Assumes Ross is on his way home.
Will send JH's report to JH in August. J. C. Ross will not be at Cork meeting, but JH may announce there that first year of Ross's observations at sea will appear in R.S.P.T.
Will undertake magnetic report except parts for which research is not yet completed. Needs [Johann] Lamont's recommendation regarding experiments. Sends [James] Ross's observations for perusal.
Discusses state of science in France. Magnetic instruments were ordered for Algiers, but ES is uncertain whether they left Paris. Will send portion of magnetic report and letter from [A. D.] Bache among other things.
Sends letter from [P. H. L. ] Boguslawski for JH's magnetic report. [John] Lefroy has found line of greatest intensity further south in Canada than ES expected.