Description Title Chart of the submarine Atlantic TelegraphContributor Names Barker, Wm. J. (William J.) (Surveyor) Created / Published Philadelphia, Pa. : Published by W.J. Barker & R.K. Kuhns, 1858. Subject Headings - Transatlantic cables--Maps - Cables, Submarine--Maps - Telegraph - Atlantic Ocean--Maps - Atlantic Ocean Genre Maps Notes - Shows land telegraph cables in the U.S., Canada, Great Britain, Europe, and north Africa, submarine cables, steamship routes, and proposed lines. - Relief shown by contours. Depths shown by soundings. - 'Engraving of Maps, Charts, Machinery of Every Description, also Coloring & Mounting by Wm J. Barker, no. 23 North 6th Str. Philadelphia.' - 'Entered according to Act ot Congress, in the year 1858, by WJ. Barker in the Eastern District of Pennsylvania.' - Includes text, a portrait of Cyrus W. Field, illustrations of cables, and a an alphabet chart of the Transatlantic Submarine telegraph.