Will bring a transit instrument to Slough so that JH and JS can determine its longitude. Proposes joint observations of the satellites of Saturn. Has been observing 61 Cygni.
Showing 81–89 of 89 items
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.
Will bring a transit instrument to Slough so that JH and JS can determine its longitude. Proposes joint observations of the satellites of Saturn. Has been observing 61 Cygni.
Regrets having missed JH. Has observed the seven satellites of Saturn and the fifth star of the Trapezium. Wishes to observe some of the objects observed by Wilhelm Struve.
Has been ill. Should we publish our observations of 340 double stars or extend the number to 400?
Reports unfavorably on the telescope of A. Rogers. Information regarding Charles Babbage and his engines. Controversy concerning the Nautical Almanac.
Has examined Edward Sabine's transit measurements; finds them unproblematic.
Thanks JS for materials sent. Laments the decline of science in England. Believes decline has deep roots.
Has represented JS's interests as best JH can regarding JS's proposal. Describes himself as unskillful in such representations.
Defends Edward Sabine's transit observations, noting that JH supports them on practical rather than theoretical grounds.
Is defending a change in notation for the angles of position system that JH introduced in a paper. [Postscript dated 1830-7-7 marked 'Private' and deals with business relating to the Athenaeum and a comment on Charles Babbage's book.]