The new semaphoric signal book in three parts: containing the marine telegraph system, with the appendix, the United States telegraph system, with the appendix, the United States telegraph vocabulary, embracing Marryatt's telegraph signal numbers, [as adopted by the British and French governments, at Lloyd's coffee house, London, and used at the Liverpool and Holyhead telegraph stations,] the whole adapted to the use of the semaphoric telegraph, and marine telegraph flags ...

Mode of access: Internet.