Copy letter, from Sir John Herschel to Charles Pritchard, dated at [32 Harley St.?] Copy of a letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Expresses grave concern at interest in ideas of table turning among many of the boys at Clapham school. Writes of importance of the education of the next generation. Reiterates his claim that all force is associated with will. 9 June 1853