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Search keyword:(Subject: #Signals and signaling)
Results:7items
Practical hints of a telegraphe / by M. Lundberry
[Great Britain? : s.n.] , 1794
E-Book
Copy of a plan for a day and night telegraph and proposed for general communication of intelligence throughout India : in particular, though equally adapted for any of the British dominions / by R.M. Shearman
[England : s.n , 1807?]
A plan for a field telegraph, &c.&c.&c.
A lecture on telegraphic language : delivered before the Boston Marine Society, February 5, 1833 / by John Pickering
Boston : Hilliard, Gray, and Co , 1833
American signal book, or, The United States telegraph vocabulary : being an appendix to Elford's marine telegraph signal book ... adapted to the use of the new semaphoric telegraph : to which is added the Boston Harbor signal book / by John R. Parker
Boston : From the Steam Power Press Office , 1832
American telegraph system, semaphoric as well as magnetic : American semaphore or marine signals, connected with the electro-magnetic telegraph / Rogers & Black, Henry O'Reilly
[United States? : s.n , 1846?]
Signals, sailing directions, and notices, relating to the port of Sunderland / issued by authority of the Commissioners of the River Wear
[England? : s.n.] , 1850