Must decline invitation to dinner due to poor health.
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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.
Must decline invitation to dinner due to poor health.
Wonders how JH's projected volume on Astronomy is progressing. Would also like a short biography of Francis Bacon.
Discusses study of light, JH's theories on the subject, and his own photometer observations. Asks JH for further explanations of his theory.
JG is revising his diary.
Has received the chronometer and will return it to Lister, together with his remarks on apertures. Charles May has found another individual suffering from color blindness. A friend has successfully made a reflecting microscope.
Reminds JH to send his catalog of double stars.
Passing on the offer of assistance by Frederick Augustus (Duke of Sussex) for JH's projected visit to the Cape of Good Hope.
Will he be visiting Cambridge this Spring?
Encourages JH to undertake a proposed trip to the Southern Hemisphere [letter completed 1832-5-1].