Copy letter, from Sir John Herschel to William Whewell, dated at Hawkhurst Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Margaret Herschel and John Frederick William Herschel congratulate William Whewell on his engagement to marry. John Frederick William Herschel sending William Whewell an imperfect copy of John Frederick William Herschel's review of William Whewell's Philosophy of the Inductive Sciences. June 1841