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

CONTENTS. 11
CHAPTER XXVIII.
FROMENT S ALPHABETICAL AND WRITING TELEGRAPHS.
Alphabetical Apparatus and Manipulation-The Writing Apparatus............. 373
CHAPTER XXIX.
VAIL'S PRINTING TELEGRAPH.
Description of the Telegraph Apparatus-Manipulation and Celerity of Communicating
-Arrangement of the Alphabet.......................................... 382
CHAPTER XXX.
THE HOUSE PRINTING TELEGRAPH.
Early History of the House Telegraph-The Composing and Printing Apparatuses-The
Axial Magnet-The Air Valve and Piston-The Manipulation-The Patented
Claim................................................................. 391
CHAPTER XXXI.
HISTORY OF THE AMERICAN ELECTRO-MAGNETIC TELEGRAPH.
Invention of the Telegraph-The First Model of the Apparatus-Specimen of the Telegraph Writing-The Combined Circuits Invented-Favorable Report of the Committee
on Commerce in. Congress-Construction of the Experimental Line-Invention of
the Local Circuit-Improvements of the Apparatus-Administration of the Patents, by
Hon. F. J. Smith, and Hon. Amos Kendalt-Extension of Lines in America.,. 402
CHAPTER XXXII.
THE MORSE TELEGRAPH APPARATUSES.
The Early Telegraph Instruments-Modern Lever Key-The Early Circuit ChangerModern Circuit Closers-Nottebohn's Circuit Changer-Binding Connections-The
Electro-Magnet of 1844-The Modern Relay Magnet-The Receiving Register-The
Sounder.............................................................. 422
CHAPTER XXXIII.
INTERIOR OF AN AMERICAN TELEGRAPH STATION.
Receiving Department of a Telegraph Station-The Operating or Manipulating Department-Receiving Dispatches by Sound-Incidents of the Station-Execution of an
Indian Respited by Telegraph.....................,.............. 458
CHAPTER XXXIV.
THE MORSE TELEGRAPH ALPHABET.
Composition of the American Morse Alphabet-The Alphabet, Numerals, and Punctuation-The Austro-Germanic Alphabet of 1854-European Morse Alphabet of
1859...................................................... 469