The Electric Telegraph, Fachbücher von Dionysius Lardner, Edward Brailsford Bright

The Electric Telegraph Popularised, Belletristik von Dionysius Lardner

Dionysius Lardner | The Electric Telegraph, Popularized (1859) | Buch

Edward Highton | The Electric Telegraph | Buch | Englisch (2008)

Electricity and the Electric Telegraph, Fachbücher von George B. Prescott

Modern Practice of the Electric Telegraph, Fachbücher von Frank L. Pope

Joseph Henry and the Magnetic Telegraph, Fachbücher von Edward Nicoll Dickerson

Joseph Henry and the Magnetic Telegraph, Belletristik von Edward N. Dickerson

The Daily Telegraph, Fachbücher

Sir Francis Ronalds: Father Of The Electric Telegraph

The History And Progress Of The Electric Telegraph | Robert Sabine |

Alexander Jones | Historical Sketch Of The Electric Telegraph | Buch |

Electric railway engineering, Fachbücher von Edward Trevert

The Law of electric Wires in Streets and Highways, Fachbücher von Edward Quinton Keasbey

Historical Sketch Of The Electric Telegraph Including Its Rise And

The Bee and White Ants, Fachbücher von Dionysius Lardner