Copy letter, from Sir John Herschel to Mary Somerville Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Commentary on manuscript [Personal Recollections?] that [Mary Somerville] sent to John Frederick William Herschel one month ago. Career of scientific learning and domestic happiness will inspire future generations. Suggests publishing it posthumously for greater impact. Corrects passages about Charles Babbage. Gives purpose, history, and membership of each of two Standards committees, one of 1819 and one of 1838. Suggests avoiding topic of bitter controversy over invention of electric telegraph. 14 March 1869