GREGORY, Charles Hutton. 21020



Autograph Letter Signed, to E.W.Cooke R.A., recommending an acquaintance who wishes to see Cooke’s pictures. 3 pp. 7 x 4 inches, in good condition. Athenaeum, 28 August 1876. Sir Charles Hutton Gregory (1817-1898), civil engineer. Gregory was consulting engineer of several major railway construction works, including those in Ceylon, Trinidad, Cape Colony, Perak and Selangor. He was the first to use railway semaphore signalling which he employed on the London and Croydon and the South Eastern Railways in 1842-3. This method later superseded all others and was dominant from 1870.