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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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.