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RGO Archives/RGO 15 contains:
<-- See earlier
25 Annual report
26 Daily attendance book
27 Correspondence of Fallows and Henderson
28 Correspondence on the Observatory
29 Letters to Francis Baily
30 Correspondence of Henderson, Airy and Maclear
31 Correspondence, notes and computations
32 Observations and computations
33 Observations and tables
34 Transit observations
35 Imperfect transits
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Papers of the Cape Observatory

Title Correspondence of Henderson, Airy and Maclear
Reference RGO 15/30
Covering Dates 1832–1842
Extent and Medium 4 folders
Content and context

Correspondence between T. Henderson, G.B. Airy and T. Maclear, comprising a letter from Henderson aboard HMS 'Melville', 25 January 1832; a letter from Henderson concerning tables of corrections for the microscopes on the mural circle, 27 September 1833; a list of observations with the transit circle, 10 April 1832 - 24 May 1833, and the mural circle, 16 May 1832 - 24 May 1833, with a list of corrections to mural circle microscope readings, dated 27 September 1833; a memorandum by Henderson, dated 3 October 1833, on the observatory set up by Mason and Dixon to observe the 1761 Transit of Venus; and a letter from Henderson concerning Encke's Comet, 17 October 1838, including a cutting from 'The Times' containing a letter from James South stating that he did not find the Comet. Folios 120-122 are a paper by Henderson on the parallax of Sirius.

Further information

Indexed

RGO 36/4/4 is a microfilm which includes these papers.

Index Terms
Airy, Sir George Biddell (1801-1892) Knight, astronomer
South, Sir James (1785-1867) Knight, astronomer
Maclear, Sir Thomas (1794-1879) Knight, astronomer
Henderson, Thomas (1798-1844) astronomer
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