Thanks RG for a copy of the History of Physical Astronomy; comments on the behavior of cometary tails.
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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.
Thanks RG for a copy of the History of Physical Astronomy; comments on the behavior of cometary tails.
Benedetto Pistrucci reports that JH refuses to pay Pistrucci. Admonishes JH to treat Pistrucci kindly and prevent Pistrucci from having to beg for a living. Pistrucci also worries that new construction in Weighing Room at Mint will ruin Pistrucci's furnaces and prevent completion of Waterloo Medal. WH criticizes latest changes in Mint policies as injurious to great artists like Pistrucci for the sake of 'free Trade.'