American Telegraph Practice
A Complete Technical Course in Modern Telegraphy, Including Simultaneous Telegraphy and Telephony
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American Telegraph Practice
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![Cover Report of Mr. Cyrus W. Field to the President and Directors [of the New York, Newfoundland, and London Telegraph Company, ] London, March 8th, 1866 [m](https://bilder.buecher.de/produkte/65/65579/65579643n.jpg "Report of Mr. Cyrus W. Field to the President and Directors [of the New York, Newfoundland, and London Telegraph Company, ] London, March 8th, 1866 [m")
![Cover Telephone Catalogue No. 15 and Price List: [microform]: Ness, Mclaren & Bate Manufacturers of Telephones, Telegraph Instruments, Annunciators, Electri](https://bilder.buecher.de/produkte/65/65564/65564563n.jpg "Telephone Catalogue No. 15 and Price List: [microform]: Ness, Mclaren & Bate Manufacturers of Telephones, Telegraph Instruments, Annunciators, Electri")
![Cover The Union of Telegraph Interests in Canada [microform]: a Letter to the Shareholders of the Montreal Telegraph Company](https://bilder.buecher.de/produkte/66/66119/66119501n.jpg "The Union of Telegraph Interests in Canada [microform]: a Letter to the Shareholders of the Montreal Telegraph Company")