Regarding F. W. Bessel's doubt concerning the law of gravitation.
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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.
Regarding F. W. Bessel's doubt concerning the law of gravitation.
Is sending papers, from an American, for JH's opinion.
Regarding pamphlets concerning F. W. Bessel. Altitude instrument finished.
Concerning Thomas Henderson's reductions of N. L. Lacaille's observations.
Regarding the final payments for the Liverpool Telescope.
Wants a copy of his Cape Results for his assistant. Would he continue to observe the duration of annularity in the coming eclipse?
Regarding a letter from the Newcastle Philosophical Society.
Concerning the method of observation by direct and reflected vision.
Regarding H. C. Schumacher and the intended distribution of J. J. F. Lalande's catalogue.
Did he see the eclipse? Agrees with him over the H. C. Schumacher proposals.
Regarding the forthcoming meeting. Concerning the telescope used at Pulkowa.
Regarding magnetic disturbances.
Currents in telegraph wires.
Sending account of the magnetic disturbances of 24 September 1847.
How to evade attending the Queen's ball. Thanks for information on the moon.
Remarks on JH's Southern astronomy volume [Cape Results].
Will be pleased to dispose of the copies of the Reports when they arrive. Thanks for his own copy. Maria Edgeworth will be pleased with hers.
Will look into the affair of the overpayment of the telescope. Regarding geographical and hydrographical desiderata for the Admiralty Manual.
Sending a copy of his Essay on the Nile and its tributaries. Has received evidence from Africa, which corroborates his theories.
Is very grateful for his assistance and encloses the page of the report in which he publicly acknowledges this. Further results since the return of the great atmospheric wave of 1845.