Has been pursuing his magnetic experiments with crystals and will be publishing a memoir on them. Comments on these experiment. Is there a difference in the mass of the earth at the poles?
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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.
Has been pursuing his magnetic experiments with crystals and will be publishing a memoir on them. Comments on these experiment. Is there a difference in the mass of the earth at the poles?
JH's second letter has convinced him. Has now written a new conclusion to the chapter showing the principles of P. S. Laplace in a new light. Does not think Laplace's example is a fair type. Has already rewritten the chapter on the Doctrine of Chances.
Giving days on which the Council could be called. Who shall be president of Section 'A'. Could JH think of suitable persons for Chairmen and Secretaries? Sir J. Richardson is on the spot and will be president of the zoologists.
Sending a German translation of an unfinished work of HO. Regrets that so few people can read the Danish language. Is grateful for JH's papers.
Describes conditions and instruments at Edinburgh Observatory. Observatory assistant Alexander Wallace works on reduction of Thomas Henderson's transit observations.
Sends copy of James Graham's letter concerning transfer of Paramatta Observatory to government authority. Thanks JH for advice on the matter. Discusses methods of magnitude estimation.
Receives report on poor state of Paramatta Observatory. Encloses letter from Thomas Brisbane, who believes James Dunlop should be removed from his post of authority there.
Returns the account of Lord Rosse's telescope with many thanks. Weather has not been good for observations, but gives some observations on the comets.
Smith, Elder & Co. received JH's revised proofs. Encloses page of 'Reduced Observations' for JH's approval. Details of printing process.
Gives JH directions to Kew Observatory.
Planning to edit a volume of hexameter verse translations. Wishes to include JH's translation of Friedrich Schiller's 'The Walk.'