American telegraph system, semaphoric as well as magnetic
Subtitle: American semaphore or marine signals, connected with the electro-magnetic telegraph
By: Rogers & Black, Henry O'Reilly
Series: Goldsmiths'-Kress library of economic literature -- no. 34612.1; Making of the Modern World
Publisher: [s.n.]
Published: 1846
Place of publication: United States?
Language: eng
Subjects: Signals and signaling; Telegraph; Cipher and telegraph codes; Patents
Notes: Caption title.

Running title: American semaphore or marine signal system.

Two columns to the p.

Goldsmiths'-Kress no. 34612.1.