Search results
Results from the WOW.Com Content Network
The telegraph line immediately made the Pony Express obsolete, which officially ceased operations two days later. The overland telegraph line was operated until 1869, when it was replaced by a multi-line telegraph that had been constructed alongside the route of the first transcontinental railroad.
The timeline of North American telegraphy is a chronology of notable events in the history of the electric telegraphy in the United States and Canada, including the rapid spread of telegraphic communications starting from 1844 and completion of the first transcontinental telegraph line in 1861.
Another electrical telegraph was independently developed and patented in the United States in 1837 by Samuel Morse. His assistant, Alfred Vail, developed the Morse code signaling alphabet with Morse. America's first telegraph was sent by Morse on January 6, 1838, across 2 miles (3 km) of wiring.
The transcontinental telegraph was completed on Oct. 24, 1861, making possible instant communication between the coasts possible for the first time. It rendered the Pony Express obsolete.
Early proposals for an optical telegraph system were made to the Royal Society by Robert Hooke in 1684 [12] and were first implemented on an experimental level by Sir Richard Lovell Edgeworth in 1767. [13] The first successful optical telegraph network was invented by Claude Chappe and operated in France from 1793. [14]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more
For premium support please call: 800-290-4726 more ways to reach us
For the first time, scientists have found evidence that dinosaurs may have used feathers as a way to cope with the freezing weather in the southern polar circle, according to a recent study ...