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- DictionaryTel·e·graph/ˈteləˌɡraf/
noun
- 1. a system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection: "news came from the outside world by telegraph"
verb
- 1. send (someone) a message by telegraph: "I must go and telegraph Mom"
Jul 22, 2024 · A telegraph is a device or system that transmits information by coded signal over distance. Learn about the invention, history, and types of telegraphs, from optical and electric to wireless and satellite.
Telegraphy is the long-distance transmission of messages using symbolic codes. Learn about the ancient signalling systems, the optical telegraph, the electric telegraph, the wireless telegraph, and the telegram.
Nov 9, 2009 · A telegraph is a device that transmits electrical signals over a wire to send messages. Learn how Samuel Morse and other inventors developed the telegraph and the Morse code, and how it revolutionized long-distance communication in the 19th century.
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A telegraph is a communication system that sends information by making and breaking an electrical connection. It is most associated with sending electrical current pulses along a wire with Morse code encoding.
- Gavin Wright
- 2 min
Mar 24, 2019 · A telegraph is a device that sends electrical signals over wires to transmit messages. Learn how the telegraph was invented, how it changed communication and the world, and how it evolved over time.
A telegraph is an electric device or system for sending messages by a code over wires. Learn more about the history, synonyms, and examples of telegraph from Merriam-Webster dictionary.
Jul 18, 2023 · The telegraph was a device that transmitted messages over long distances using electricity and Morse code. Learn about its history, impact and evolution from HowStuffWorks.