Is grateful for the testimonial and for the favorable way in which he is regarded.
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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.
Is grateful for the testimonial and for the favorable way in which he is regarded.
About an increase in sun spot activity.
Has written to Lieut. John Herschel suggesting points on which solar observations might be valuable. Is pleased he has seen the bright lines. Saw some bright lines in the middle of the sun's disk.
Glad that Emma's jaundice is over. Criticises metric system of measure. Encloses JH's response to Mr. Yates's letter in the Times on Geometrical British System. Upset by present resistance to anything English. This is what 'lost us...Neptune.' Would like to see Arabic translation of Outlines Astr. Relieved that 'shabby' French translation by [L. M. J.] Chevigné was stopped. Failure of gold standard in India. French and English coins. Suggestions on WJH's effort to introduce oaths into Indian justice system. Popularity of velocipedes [bicycles]. Family news.
Has read the syllabus of GA's lectures on magnetism; it reminds JH of his attempt to solve the problem of 'Mahomet's coffin', which JH still believes would work.
Is considering a new edition of Outlines Astr.[?] and wants to provide the latest determinations of the periods of rotation of the planets.
'Great Comet of 1843' presents difficulties for JT's explanation of comets' tails [continuation of JH's 1869-5-28].
Thanks HR for sending HR's book on spectrum analysis [Spectrum Analysis, 1869]. Praises that publication.
Thanks for JH's suggestions on JT's outline of comet speculations. [G. B.] Airy, too, has replied. Includes more speculations on 'envelopes' and nucleus of comet.
Suggests experiments with regard to polarization and vaporization, and comets' tails.
Thanks for paper on comets. Offers questions, problems to be resolved, particularly on termination of comet.
Is sending his lectures on magnetism he gave at Cambridge.
Concerning JH's Mahomet's coffin theory.
Gives information on the rotational periods of Mars, Jupiter, and Saturn [see JH's 1869-5-30].
Is sending a pamphlet. Has given the profits of his recent book to various universities.
Is grateful for his courteous criticism of his research into Aboriginal dialects. Casts have been made of the heads of several of the aborigines.
Has sent a copy of his book on color to the R.S.L. library and would be glad of JH's comments on it.
Thanks for the gift of the paper on color. Comments on this and the subject in general.
Is grateful for the paper and comments. Has referred to JH's papers many times in the lectures he has given. Hopes to produce a cheap book on color.
Is glad he is reconsidering the question of temperature. Regarding the deep sea thermometers.