Electrical Telegraph

Examples of Electrical Telegraph in the following topics:

• A Communications Revolution

  • The United States experienced a communication revolution in in the early 1800s, during which the penny press and the electrical telegraph emerged.
  • The penny press and the electrical telegraph were among the innovations that emerged during this communications revolution.
  • Congress appropriated $30,000 to fund an experimental telegraph line from Washington, D.C., to Baltimore, Maryland.
  • In May of 1844, Morse made the first public demonstration of his telegraph, sending the famous message, "What hath God wrought?"
  • The Morse-Vail telegraph was quickly deployed in the following two decades.

• Education and the Professions

  • Theodore Vail established the American Telephone & Telegraph Company.
  • Edison, the founder of General Electric, invented a remarkable number of electrical devices, including many hardware items used in the transmission, distribution and end uses of electricity as well as the integrated power plant capable of lighting multiple buildings simultaneously.

• The Inventions of the Telephone and Electricity

  • He was the first to obtain a patent, in 1876, for an, "apparatus for transmitting vocal or other sounds telegraphically," after experimenting with many primitive sound transmitters and receivers.
  • Electric lighting in factories greatly improved working conditions, eliminating the heat and pollution caused by gas lighting, and reducing the fire hazard to the extent that the cost of electricity for lighting often was offset by the reduction in fire insurance premiums.
  • Electric light was much brighter than that of oil or gas lamps, and there was no soot.

• Modern Warfare

  • Several communication and transportation improvements, including the telegraph and railroads, played a crucial role in this war.
  • The telegraph allowed leaders in Washington and Richmond, the respective capitals of the Union and Confederacy, to communicate with commanders in the field, rapidly passing on intelligence and issuing orders in close to real time.
  • During that battle, telegraph wire was seen strung between tree stumps 30 to 80 yards in front of parts of the Union line.

• American Technology

  • Morse and Alfred Vail developed the American version of the electrical telegraph system, allowing messages to be transmitted through wires over long distances, via pulses of electric current.

• The Transcontinental Railroads

  • At the same time, another gang would distribute telegraph poles and wire along the grade, while the cooks prepared dinner and the clerks busied themselves with accounts and records, using the telegraph line to relay requests for more materials and supplies or to communicate with supervisors.

• The Second Industrial Revolution

  • Advancements in manufacturing and production technology enabled the widespread adoption of preexisting technological systems such as telegraph and railroad networks, gas and water supply, and sewage systems, which had earlier been concentrated to a few select cities.
  • The enormous expansion of rail and telegraph lines after 1870 allowed unprecedented movement of people and ideas, which culminated in a new wave of globalization.

• J.P. Morgan and the Financial Industry

  • In 1892, Morgan arranged the merger of Edison General Electric and Thomson-Houston Electric Company to form General Electric.

• Expansion and the Mexican-American War

  • Here Columbia, a personification of the United States, leads civilization westward with American settlers, stringing telegraph wire as she sweeps west; she holds a school book.

• Manifest Destiny

  • This 1872 painting depicts Columbia as the "Spirit of the Frontier," carrying telegraph lines across the western frontier to fulfill manifest destiny.