Seeks GA's assistance in solving a puzzle in the mathematics of rotating bodies.
Showing 81–100 of 166 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.
Seeks GA's assistance in solving a puzzle in the mathematics of rotating bodies.
Mostly about the health of JH and his wife, Margaret.
Seems clear that JH's 'falling star' [see JH's 1845-4-29] was the same one reported by a correspondent of GA's as having been seen in Nottingham; in a postscript JH is not so sure.
Gives reasons why telescope for Cape Observatory should be as perfect as possible. Doubts that its 'finder' is adequate.
Arranging a meeting of the Magnetic Committee to set the agenda for the magnetic conference to be held during the B.A.A.S. meetings in Cambridge.
No news yet about the request to Robert Peel for money for magnetic observations.
Robert Peel has suggested that the Admiralty has money available to pay for improvements in scientific instruments of value to navigation.
Encourages GA to ask the Admiralty about the implications of Robert Peel's statements [see JH's 1845-9-29 or earlier].
Asks for new observational data on Gamma Virginis [see JH's 1843-7-18].
Regarding measure of Virginis.
Believes GA's measurements [see GA's 1845-10-1] seriously in error, and strenuously defends JH's method.
How does one jog the memory of the First Lord of the Treasury [see GA's 1845-10-3]?
S. J. A. Compton [Lord Northampton] has addressed a private letter to Robert Peel [see GA's 1845-10-9].
Results of testing at Collingwood by JH and W. R. Dawes of two 8-inch object glasses made by William Simms for Cape of Good Hope observatory.
Supplement to JH's report [see JH's 1845-10-10] on object glasses for Cape Observatory. Different results at lower powers when observing planets.
Thanks GA for the information about the presentation made to F. W. Bessel [see GA's 1845-10-20], and for sharing Bessel's reply.
Is skeptical of the American observations [see GA's 1845-12-8], and reports other observations communicated to JH.
Will consider GA's objections [see GA's 1845-12-27] when JH works further on double star orbits.
A note to arrange a meeting to discuss the propriety of continuing the Kew Observatory.
About family health; JH's star counting has led him to believe that all stars are part of one sidereal system [the Milky Way].