Letter from J [John] Herschel, Brompton Barracks, to 'Dear Mama' [Margaret Brodie Herschel] He refers to the hot weather and his uniform which is 'almost insupportable'. He describes judging distances on the rifle range. He did not go to the levee, but saw the revierw in Hyde Park. He saw Richard II at the Princess's, but had a bad seat. Alick [Alexander Stewart Herschel] is to go away on Tuesday and will not come to Chatham. He will begin Lyell that evening. 27 June 1857