Describes additional measurement of annual parallax.
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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.
Describes additional measurement of annual parallax.
Informs JH of FB's arrival in Manchester and of further travel plans.
About further travel plans, and people FB is meeting as he travels in Britain.
Thank you note after FB visited Collingwood.
Warm thanks for JH's kind hospitality; some comments about Prussian Order of Merit.
More about Prussian Order of Merit; further annual parallax observations, together with comments on other observations.
Note of thanks for paper of JH's; replies with a printing of a talk by FB about William Herschel.
Answers questions raised in JH's 1843-6-5; comments on other astronomical matters.
Comments about the uses of a meridian telescope.
Responds to JH's 1844-7-28 about stiffening a vertical circle; comments on other astronomical matters.