Sends news of a cholera epidemic to help JH make his summer plans. Mentions a number of new cases from Altona, Hamburg, and Berlin. Asks JH not to spread information.
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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.
Sends news of a cholera epidemic to help JH make his summer plans. Mentions a number of new cases from Altona, Hamburg, and Berlin. Asks JH not to spread information.
Sends two bottles of Claret and a box to be forwarded for [Francis] Baily.
[Otto] Rosenberger has calculated perturbations of Halley's Comet by the inner planets. [Wilhelm] Beer and [J. H.] Mädler have a map of the moon and have located two moving spots on Jupiter. F. W. Bessel's assistant has reduced James Bradley's observation to constants of aberration and nutation.
Visits F. W. Bessel in Berlin to discuss pendulum experiments. [C. A.] Steinheil invented a photometer to measure relative light of different stars.
Received JH's note from Belvedere Hotel. Mentions various arrangements regarding JH's European journey, including JH's planned visit to Wilhelm Olbers.
Unless other responsibilities interfere, HS will meet JH in Bremen.
In compliance with JH's request, HS did not go to Bremen to meet JH. Hopes JH will visit him in Altona and stay at his house.
Asks if he can publish the finding that the star in Argo is dimming in Astronomische Nachrichten. Questions whether barometric information should be in feet or yards. Asks JH about a publication that HS and [Alexander von] Humboldt are planning.
Forwards a request from C. F. Gauss for magnetic observations made in England.
Asks permission to use information from JH's letter in Astronomische Nachrichten. Believes [Alexander von] Humboldt can explain observational anomalies that JH notes.
Describes JH's location at the Cape and his observational sweeps, lists nebulae and double stars, as well as comet and eclipse observations. [Letter finished on 1835-3-5.]
Compares magnitudes for some specific stars and then comments more generally on that question; JH believes he will no longer be able to observe in winter in England as he is too severely afflicted by rheumatism.
Sends HS's observations of magnetic declination and dip near London for forwarding to Carl F. Gauss. Encloses a letter from Edward Sabine.