Copy of draft letter, from Sir John Herschel to Richard Sheepshanks Copy of draft letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Is insistent that John Frederick William Herschel cannot perform the functions of Foreign Secretary [of the R.A.S.] as he has too much to do already, and has had to give up much of his personal scientific correspondence. 12 January 1842