Copy of letter, from Carl F. Gauss to Caroline Lucretia 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. Thanks for her communication on her nephew's new calculations for Alpha Virginis. Comments on these and gives some of his own. Sends best wishes to her nephew on his projected visit {to the Cape] and hopes he will study the magnetic force of the earth while he is there. 12 April 1833