Autograph letter signed from David Lennox, Lansdowne Bridge, via Liverpool, N.S.W. to Sir Thomas Telford, 5 April 1934, describing his first two years in the Colony of New South Wales and his work as Superintendent of Bridges of New South Wales, including the laying of the foundation stone of the Lansdowne Bridge, 1 January 1834; with typescript transcription and photocopies made in Mitchell Library, 1977