Copy letter, from Sir John Herschel to William Henry Smyth, dated at Slough Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Reports observations with William Henry Smyth's equatorial during Bedford visit. Packs instruments for voyage. Pleased that Thomas Maclear will take post of Astronomer Royal at the Cape Observatory. 28 July 1833