Passes on information on stars received from a Bengal pilot.
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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.
Passes on information on stars received from a Bengal pilot.
Regarding the printing of JH's British Metrical scale. Comparison between the chimes of Big Ben and those of St. Mary's, Cambridge.
Further details on the chimes of Big Ben.
[Form Letter] GA's address, as Astronomer Royal, to Board of Visitors. Progress report on F. G. W. Struve's proposal for joint French-English-Belgian triangulation survey.
Urges JH to attend the next meeting of the Board of Visitors of the Royal Observatory, especially as GA believes some of the members of the Board do not understand the scientific problem [?].
Circular letter advising of the availability of back copies of various Royal Observatory printed observations.
Comments on Jupiter's appearance and on the eclipse photographs [see JH's 1860-8-23].
Thanking him for his paper on telescopes. Observations of JH's semicircular map of the world.
Offering sympathy on the death of JH's daughter [Margaret Louisa].
Reminds JH that the algebraic formulation of the theory of the achromatic telescope eyepiece was formulated by GA.
Is sending a tract on 'Probable Errors.' Further observations on JH's article on telescopes.
Asks for his comments on the results of his Magnetic Register 1848-1857.
Further remarks concerning his Magnetic Registers [see GA's 1861-4-22].
Regarding the evaporation of water as a source of electricity. Magnetic results in relation to the North Atlantic.
Encloses printed copies of letters received from Johann Lamont regarding apparatus for examining Galvanic currents in the earth; would like his comments on them. Gave lecture in Manchester on the eclipse.
Not surprised that actual costs [of publishing JH's catalogue of nebulae] departed from estimates. Reports vote by [R.S.L.] committee. Does not believe publication will be expensive.
[Responding to JH's 1862-1-23], states that R.A.S. finances not sufficient to publish JH's 'Catalogue of Nebulae,' but R.S.L. is 'rolling in wealth.' Work could be done at [Greenwich Observatory], where GA is already printing 'Skeleton Forms for Precessions.' Forwarded R.S.L. certificate for [E. J.] Lowe to W. H. Smyth.
Estimates seven weeks and £10 to compute JH's nebulae data. Suggests JH use new 'Skeleton Form.'
Returned JH's 'original sheets of nebulae.' Kept sheets of calculations. Will write about money accounts later. Lord Palmerston's communication about Thomas Maclear's pension.
Send quickly JH's manuscript of 'Catalogue of Nebulae.' It will provide work for computer whom GA was about to lay off. Prefers reducing JH's data to 1860's. GA's improvement on F. W. Bessel's reduction formula.