Corrects a misunderstanding about the date to which magnetic observations are to be reduced.
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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.
Corrects a misunderstanding about the date to which magnetic observations are to be reduced.
Corrects date on publication by G. A. Erman.
Requests some rewording of B.A.A.S. resolution [see JH's 1870-9-27].
Asks a whole series of silly riddles, and JH complains of not having heard from AD.
Apologizes for not writing often. Has been ill. 'Moderate' use of 'Coca de Peru' [cocaine] helps. Is working on a 'General Catalogue of double stars reduced to 1830.0.' Acknowledges works received.
Thanks for paper on action of rays 'of high refrangibility' on gases and vapors. Attempts to understand reflection of wave motion on particles with diameters 'incomparably smaller' than length of wave.
Discusses significance of Col. Napier's pendulum observations to research on earth's constitution and gravitation.
Recounts various reports of phenomena in the sky related to the 'great Moscow phenomenon' of 'mock Suns and inverted Arches.'
Sends a copy of JH's version of the German Rhine Song, which JC requested. Comments favorably on French losses in the Franco-Prussian War. Thanks her for visiting.
Having been placed jointly in charge with G. A. Erman of a B.A.A.S. grant expenditure to support H. J. R. Petersen's recomputation of Gaussian constant for 1829, JH asks for corrections in the statement of the actions funded.
Writes to clarify the actions of the B.A.A.S. [see JH's 1870-5-24].
Gives JG a journal reference.