Copy letter, from Sir John Herschel to William Whewell, dated at Feldhausen near Wynberg Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Reports on efforts made in June 1835 by John Frederick William Herschel and Thomas Maclear to have tidal observations made at Simon's Bay and Table Bay. Reports briefly on John Frederick William Herschel's astronomical observations. Describes increasing tensions with the Caffers [Kaffirs] in the Cape region. 25 July 1835