Copy of draft letter, from Sir John Herschel to Walter Marsham Adams, dated at Collingwood Copy of draft letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Acknowledging receipt of the manuscript. John Frederick William Herschel will be unable to give an opinion as the work is so voluminous that he cannot spare the time, unless Walter Marsham Adams is prepared to loan it for a long period. 4 May 1864