JH's reasons for requesting three-year extension of magnetic and meteorological survey from British government and H.E.I.C. Preliminary results from global stations.
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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.
JH's reasons for requesting three-year extension of magnetic and meteorological survey from British government and H.E.I.C. Preliminary results from global stations.
Discusses time intervals for [magnetic] observation. Sorry a change was ever contemplated. Asks that his opinion be sent to [Humphrey] Lloyd and that ES make the final decision on how to proceed.
Encloses [G. B.] Airy's letter, which he thinks should accompany [Humphrey] Lloyd's reply regarding magnetism. Thinks all Physical Committee members must be made aware of new developments.
Discusses term and extra magnetic observations with regard to [Humphrey] Lloyd's letter. Would prefer to keep them separate, but feels no harm will come from keeping them together.
Agrees with suggestions made by ES concerning the publication of meteorological observations.
Clarifies role and methods of R.S.L. Council and scientific committees, suggesting that members of Physical Committee need to be better informed about its activities.
Hopes royal observatory at Cape of Good Hope will relieve Ordnance department. U.S. government agreed to pay for publication of observations there. A. D. Bache favors continuance of hourly meteorological observations in U.S. for one year. G. A. Erman will attend meeting at Cambridge. German translations by ES's wife.
Urged by G. B. Airy, ES withdraws earlier letter to JH and encloses letter with ES's opinions regarding continuance of [magnetic and meteorological] observations.
Asks JH to inspect first magnetic and meteorological observations from [Tasmania] and Toronto. Hopes North American observations will be increased.
Encloses bill from W. H. Allen & Co. regarding Breslau observatory. [JH annotation: Details of bill.]
Asks JH to consult [C. F.] Gauss concerning magnetical instructions. [Charles] Wilkes made mistake in distinguishing Balleny's[?] Land from 'American discoveries.' This has caused dispute.
Sorry [F. W.] Bessel's health is 'so indifferent.' Glad JH is coming to [B.A.A.S. meeting].
Magnetic survey of Austrian dominions to be undertaken. Sending portable apparatus for survey in Mediterranean along with instructions from [Charles] Riddell. Completed sea observations for R.S.L.
Discusses report of R.S.L. regarding observatories. [Charles] Wheatstone agrees with report on Kew except for tax paragraph. Discusses November 18 [1841] magnetic disturbance at Toronto.
[Hussey] Vivian supports E.S.'s efforts regarding a magnetic survey of North America. Has examined magnetic measurements made at Boston and Toronto.
Will give JH's report on Kew Observatory to Charles Wheatstone. Sends JH actinometer reports. Questions methods of observation and quality of observers. Discusses government support of scientific research.
Transmits message from [A. T.] Kupffer about setting up an observatory at Hammerfest and details about various apparati. Notes proposal for observatory in northern Siberia. Has ordered 250 copies of the Physical Committee Report.
Discusses at length and rejects JH's recommendation that communication in scientific projects take place solely by letter and theorization solely by individuals. Mentions subsequent variation in intervals between magnetic observations and disputes between G. B. Airy and Humphrey Lloyd, as well as other difficulties.