Telegraphy, by W.H. Preece and J. Sivewright. 3rd [sic] EdWilliam Henry Preece (Sir ), James Sivewright (Sir ) · First published 2018Open the Tome
TelegraphyWilliam Henry Preece, James Sivewright · First published 1876 · Latest edition 1905Open the Tome
![Cover of Telegraphy, by W.H. Preece and J. Sivewright. 3rd [sic] Ed](https://covers.openlibrary.org/b/id/11139077-M.jpg)
