Copy letter, from Sir John Herschel to George Gabriel Stokes, dated at Collingwood Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Believes that expensive telescope wanted by William Huggins is unnecessary for the intended purposes [see George Gabriel Stokes's 1867-5-3]; John Frederick William Herschel offers a telescope of his own to R.S.L. 9 May 1867