George Biddell [Airy

[Airy, George Biddell

Mathematiker und Astronom (1801-1892)]. Brief. Observatory Cambridge. 1 S. auf Doppelblatt. 4to. Mit Adresse und Siegelresten verso (Faltbrief).
$ 142 / 120 € (79470/BN51529)

Wohl von einem Schreiber an den deutschen Astronom und Leiter der Sternwarte im australischen Parramatta, Carl Rümker: "Professor Airy presents his compliments to Mr. Rumker [!], and begs to inform him that he lately saw M. Carlini of Milan [d. i. der italienische Astronom und Geodät Francesco Carlini], who is at present employed in improving the lunar tables, both by extending the theoretical investigations, and by comparing the tables with his own observations. Professor Airy was charged by M.

Carlini, in case he should have an opportunity of communicating with Mr. Rumker, to request that on his return to Paramatta he would carefully observe the Moon's declination whenever it was possible. The accurate determination of parallax is necessary for several of M. Carlini's investigations, and this appears the most satisfactory fall methods for its determination [...]". - Mit Rundstempel und Inventarnummer der Handschriftensammlung J. K. Riess. - Etwas angestaubt und knittrig..

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