The practice of constructing or operating telegraphs.
Saved by Telegraphy - 1911 was released on: USA: 25 January 1911
The technical term 'wireless telegraphy' has two distinct senses:1: Where 'wireless' is an adjective qualifying the word 'telegraphy', meaning the kind of telegraphy that uses transmission by radio signals instead of over wires;2: Where 'wireless telegraphy' is a noun phrase, meaning the use of radio signals to send telegraphic messages, usually by Morse code.
yes
The cast of Saved by Telegraphy - 1911 includes: Charles Arling as Tom - a Telegraph Operator
telegraphy.
Wireless telegraphy is an expression describing early radio telegraph communication, particularly between 1880 and 1920, before the term radio was used.
The cast of Signor Marconi -- Wireless Telegraphy - 1901 includes: Guglielmo Marconi as himself
Samuel Morse is credited with perfecting the electrical telegraphy system in the 1830s, including the development of the Morse code. His work revolutionized long-distance communication.
He invented wireless telegraphy.
Invented telegraphy and Morse Code.
The lack of wires and supporting devices.
pulse code modulation method used a telephony.