Copy book of Sir John Herschel's outgoing correspondence, vol. 7, from 27 September 1846 to March 23 1847 Bound notebook labelled n.7, likely on Ralph Wedgwood copying book though not labelled explicitly. Copy letters from multiple senders arranged in chronological order. The copying book was created using a copying machine, with a manifold writer, a patented invention to copy multiple copies of an original. Notes that in addition to the chronology 1846 to 1847, also 2 letters of Oct and Nov 1870. Likely used as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Bound together with HS/25/1; HS/25/2; HS/25/3; HS/25/4; HS/25/5; HS/25/6. 1873