Chart showing the track of the great submarine Atlantic telegraph : with the principal land & submarine telegraph lines in Europe & America, also, tracks of steamships, and the depth of the ocean
Indicates land telegraph cables in the U.S., Canada, Great Britain, Europe, and north Africa, submarine cables, steamship routes, and proposed lines.
Depths shown by soundings.
Prime meridian: Greenwich.
Includes two double column articles of text: Account of the invention and operation of the magnetic telegraph -- Description of making and laying submarine telegraph cables.
Includes tables: Overland telegraphs of the world -- Submarine telegraphs of the world -- Morse's telegraphic alphabet.
Includes portraits of Cyrus W. Field and Samuel F.B. Morse, a cross section of the ship Niagara laying out the cable, illustrations of cables, telegraphs, signal keys and batteries, and a profile of the Atlantic Ocean on the telegraph plates.
"Entered according to Acot of Congress, in the year 1858, by H. H. Lloyd & Co."