Facts about the Telegraph

1. 06

   Operators using the telegraph could transmit approximately 35 words per minute by the 1870s, compared to handwritten letters requiring days or weeks of physical delivery.

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2. 05

   By 1861, Western Union had strung approximately 76,800 miles of telegraph wire across North America, creating the first continental communication network.

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3. 04

   Morse code, developed by Samuel Morse and Alfred Vail in the 1830s, uses combinations of dots and dashes to represent 26 letters and 10 numerals, enabling operators to transmit messages through telegraph systems worldwide.

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4. 03

   Telegraph cables laid across the Atlantic Ocean in 1858 allowed messages to be transmitted between Ireland and Newfoundland in minutes rather than weeks by ship.

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5. 02

   Alfred Vail, Samuel Morse's partner, invented the electromagnetic relay in 1835, which amplified weak telegraph signals to transmit messages across distances exceeding 100 miles.

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6. 01

   In 1844, Samuel Morse transmitted the message What hath God wrought across 40 miles of telegraph wire between Washington and Baltimore.

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