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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.
Many thanks for the seeds. Will record in the minutes the source of the plants. Breakfast will await JH's arrival. Has been comet hunting every morning to no purpose.
As the error of the African chronometer is only 0m 1.1s fast on Cape mean time, he sends it. James Adamson is with TM or TM would avail himself of JH's invitation. The comet was superb last night. A most interesting phenomenon last night was the motion of the comet's nucleus over a small star.
Gives measurements for the nucleus noted in his letter of 26 Jan. Regrets the delay of the last list of stars. Wind was tremendous last evening. Feared for the safety of the dome. Finds there is a quantity of sand in the box chronometer.
Lack of rest prevented him calling this morning, but would like to come this evening and stay the night. Comet did not appear so round last night. There was a terrible wind. Happy with how the wall and the building protected JH's 20-ft reflecting telescope from high winds.
Found comet in Scorpio this morning. Gives map and description. Something wrong with reflector. 'Paarl expenses.' Describes puff adder captured by Dr. Guerd. Glad that Stone is doing well.