Autograph Letter Signed ‘R.Phillips’, addressed ‘Dear Madam’ [Mrs. Royle, wife of John Forbes Royle], accepting her invitation. 1 page 7 x 4½ inches, fine. Gray’s Court, 11 December 1840. Richard Phillips (1778-1851), pharmaceutical chemist, author of numerous papers, Fellow of the Royal Society, chemist and curator of the Museum of Practical Geology in Jermyn Street. He was the son of James Phillips, the well known printer and bookseller.