Copy letter, from Sir John Herschel to William Whewell Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. William Whewell, John Frederick William Herschel, and George Peacock must prepare a report for the B.A.A.S. on the magnetic expedition and observations; offers to draft it. Laments great loss of time in working on their committee. Is involved in buying a house in Hawkhurst. 7 August 1839