Copy of a letter, from John Frederick William Herschel to Richard Sheepshanks, dated at Collingwood Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Is too busy to accept the office of Foreign Secretary of the Royal Astronomical Society Says he cannot even keep up with his correspondence at home. Has been forced to give up foreign correspondence altogether. 12 January 1846