The telegraph manual: a complete history and description of the semaphoric, electric and magnetic telegraphs of Europe, Asia, Africa, and America, ancient and modern.

440 THE MORSE TELEGRAPH APPARATUSESuse in America. On the Western Union lines, Mlir. Anson Stager has applied a very ingenious circuit changer, having metallic straps across a board, and a hinge lever to transfer Fig. 19. Fig. 20. Fig. 22. Fig. o 1.,,3 z

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Title
The telegraph manual: a complete history and description of the semaphoric, electric and magnetic telegraphs of Europe, Asia, Africa, and America, ancient and modern.
Author
Shaffner, Taliaferro Preston, 1818-1881.
Canvas
Page 440
Publication
New York,: Pudney & Russell; [etc., etc.]
1859.
Subject terms
Telegraph

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"The telegraph manual: a complete history and description of the semaphoric, electric and magnetic telegraphs of Europe, Asia, Africa, and America, ancient and modern." In the digital collection Making of America Books. https://name.umdl.umich.edu/agy3828.0001.001. University of Michigan Library Digital Collections. Accessed June 13, 2025.
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