Acknowledgement of fulfilling JH's requirements.
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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.
Acknowledgement of fulfilling JH's requirements.
Due to poor health of both JH and his wife, Margaret, JH writes to decline an invitation to dinner.
Replies to JH's inquiries about Messier 80, noting that a bright star, since vanished, obliterated the cluster. Describes poor but improving instrumentation at the Madras Observatory. Asks about JH's son Alexander.
Thanks JH for a memoir on the projection of a sphere. Expresses the wish that map-making, so neglected, be taken up thoroughly.
Thanks for sending vol. 4 of BP's Infinitesimal Calculus and for earlier sending vols. 1 and 2. Praises parts of vol. 4. Will another volume be forthcoming?
Describes objections to proposed metallic thermometer. Describes another simpler design for a metallic thermometer. Will ask [William] Sykes to consider HR's design.
Sends Mathematical Monthly with JH's portrait and catalog of his writings. Smithsonian will send rain data JH wants. Discusses politics and hopes England will help break the cotton monopoly and thereby end slavery.
Has been too ill to write terrestrial magnetism paper for Edinburgh Review. Suggests other people to write it.
Like JH, Smyths have been suffering bronchial problems. Urges JH not to give up [see JH's 1861-1-29] plan of JH writing a review on terrestrial magnetisim.
Sends letter regarding meteorology from the Smithsonian to JH. Pleased with magnetic work of [A. D.] Bache at Girard College.
Certain the Colonial Secretary [Duke of Newcastle] would write to governor of Malta on behalf of [William] Lassell.
Encloses letter from [W. P.] Wilson of Melbourne and ES's response for JH's perusal. Discusses [Warren] de La Rue's work on solar photography.
Requests JH sign certificate for [W. F.] Hook. Asks JH to forward it to William Whewell for his signature.
Has signed certificate for [W. F.] Hook. [See ES 1861-12-5] Congratulates ES [on presidency of R.S.L.]. JH on B.A.A.S. balloon committee. Proposes design for metallic thermometer.
Pleased ES and [Balfour?] Stewart like plan for metallic thermometer. Suggests way to obviate effect of pendulous movement of the suspended weight.
A metallic thermometer will be constructed at Kew Observatory to test JH's proposal. Experiments on Index of Friction of gases to be resumed at Kew.
Advises on the construction of the Melbourne reflecting telescope. Thinks [W. P.] Wilson should come to watch construction.
Sends bulletins of the Observatory, which contain both meteorological and astronomical information. Asks JH if experiments are worth pursuing.
Discusses 'autograph of the sun' he sent earlier. Discusses measuring relative temperature of sun. Has an unpublished letter of Galileo to Cardinal Barberini regarding sunspots.
Discusses Galileo's unpublished letter on sunspots. Outlines comparisons between tropical storms and sunspots as discussed at Cambridge Philosophical Society. Wishes to meet [Frederick] Howlett to discuss sunspots.