Copy of letter, from Carl Friedrich Gauss to Sir John Herschel, dated at Göttingen Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Pleased to hear that the magnetic observations are to be continued for a further three years. Mode of conducting observations in some foreign observatories would seem to need improvement. Has made a series of observations of magnetic inclination, which will be published in the sixth volume of Resultate. 24 October 1842