Asks for details about a strange drawing of Jupiter JH had seen at the Royal Observatory some months earlier, and offers some comments about Warren de La Rue's eclipse photographs.
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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.
Asks for details about a strange drawing of Jupiter JH had seen at the Royal Observatory some months earlier, and offers some comments about Warren de La Rue's eclipse photographs.
A note with a copy of JH's article on telescopes for the Encyclopaedia Britannica, together with some papers to be forwarded to James Glaisher.
Has tried a number of different fractional projections, some more interesting than others [see GA's 1860-12-7].
Offers some possible explanation for what the unnamed observer saw [see GA's 1860-3-1].
Is arguing for the development of a British metrical system based on the length of the polar axis of the earth.