Copy letter, from Sir John Herschel to John Taylor, F.R.S., dated at 37 Tavistock Place Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Received John Taylor's letters regarding Francesco De Vico's possession of R. A. Cauchoix's object-glass. Will follow John Taylor's example in this delicate matter and withhold judgment. 11 May 1848