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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.
A letter of introduction, asking GA to show the observatory to a Mr. Knipping from Hanover, a relative of JH's aunt Caroline.
Another copy of the Report of the Standards Commission is being circulated [see GA's 1841-12-25] and needs JH's signature; J. E. Drinkwater is sending in a personal report complaining about the Commission's conservatism.
Sending two papers, one for the Physical Committee.
Has passed on GA's note to Edward Sabine; cannot write more because his hand shakes too much, having just made a snow-man for the children.
Sends a letter from Humphrey Lloyd for GA's comments.
Provides extensive comments, about GA's magnetic instruments and observations, in reply to Humphrey Lloyd's letter [see JH's 1842-1-17].
Thanks GA for his comments [see GA's 1842-1-18]; hopes that GA would be willing to have such statements, and other similar statements, made public.
Concerning Airy's papers recently submitted [see GA's 1842-1-5]. Hopes he will continue to send a report of his experiments and observations.
Agrees to having GA's views made public [see JH's 1842-1-18 or later] as JH sees fit; comments on aurora and magnetic storm observations.
Comments on whether magnetic observations should be continued.
As many Russian observatories are now involved in magnetic observations, JH thinks the British observations should continue [see GA's 1842-1-22].
Thanks GA for exercising GA's usual discretion in the matter of the funding of Charles Babbage's calculating machine [see GA's 1842-9-26].
Regarding JH's receipt of the 'Standard' reports. Remarks on the electrometer and barometer in the recent storm.
Arranging a visit for GA to Collingwood.
Regarding his letter writing. Has a promise of a trip on the Dover Railway.
Final arrangements for GA's visit to JH [see GA's 1842-3-15].
Hopes to meet JH on 29 March.
Sends GA a spectrum photograph, and explains how JH obtained it.
Returns photographs of spectrum, with observations on the results.
Sends GA two more spectrum photographs [see JH's 1842-4-10], and believes that these may lead the way to color photography.