Regarding Cape Town telescopes. Has written to Thomas Maclear for observations on Encke's comet.
Showing 21–36 of 36 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.
Regarding Cape Town telescopes. Has written to Thomas Maclear for observations on Encke's comet.
Regarding JH's forthcoming visit to the Greenwich Observatory.
Whether a repulsive force from the sun affects the tails of comets and thus the constancy of their orbits.
Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.
Further observations on object glasses.
Informing JH that he certainly wrote to him from Limerick.
Regarding F. W. Bessel's letter on the irregularity of proper motion in stars. Is it worth printing Nevil Maskelyne's observations on star places?
Hopes JH will write a memoir of Francis Baily.
Regarding object planes for the telescope.
Giving abridged history of the establishment of the new Board of Visitors to the Royal Observatory. Details concerning the Nautical Almanac. Standards commission.
Regrets his delay in not returning F. W. Bessel's letter. Observations arising from this letter.
Inquires about the possibility of holding a Standards Commission meeting on the Royal Observatory's Visitation Day.
Arrangements about attending a meeting, together with some thoughts on the behavior of comets.
About a suggested magnetism conference, Francis Baily's illness, and some remarkable observations by F. W. Bessel.
Making arrangements to stay with GA when JH comes for a meeting.
A note of acknowledgment for receipt of books, which JH has forwarded.