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Which state were the radio and the light bulb and the telegraph and the submarine invented?
What else can I help you with?
Why is guglielmo marconi famous?
he invented the radio telegraph system
Which Italian invented both radio and telegraph?
Sammuel Morse
Where was the radio made?
The radio (a.k.a Marconi Wireless Telegraph) was invented by Guglielmo Marconi in Italy in the late 1800s.
What did people use before the radio was invented?
Telephone, Telegraph, Pony Express, etc.
Who developed the wireless telegraph and radio?
the first to patent the wireless telegraph was Marconi. his system used spark gap transmitters and coherer detectors. it was not until effective vacuum tubes were invented that voice could be sent on radio.
Where was the the light bulb invented?
The light bulb was invented in England in 1809 by Humphry Davy. I hope this helps you find what you are looking for! In England by Joseph Wilson Swan as Thomas Edison was inventing the light bulb in the US New Jersey is the state that the electric light bulb, radio, telegraph and submarine were all invented at. New Jersey is the state that the electric light bulb, radio, telegraph and submarine were all invented at. people often say it was invented in America by Thomas Edison this is in fact incorrect, he patented it in 1862 but was served with a court order in 1882 by Joseph swan for copyright infringement, Joseph swan patented it in 1861 a year before Thomas Edison, but the design was poor so he redesigned it and acquired a second patent in 1878. it is widely thought that Edison invented the build in 1879 but Swan had already been installing them a year earlier and he founded the Swan electric company in 1881. Edison in fact only improved on the design already patented, Edison and Swan later merged to become Edison and Swan United company So the short answer is: it was invented and patented by Joseph Swan in the UK!
What was Technology in the 1920's?
The Radio, A/C, Lightbulb, Neon Light, Airplane, Photography, Telegraph, Movie Picture, Automobile, Submarine, Tank, and Train already existed. The First Robot, & Lie Detector, both built in 1921. First 3D movie in 1922, Self Winding Watch, Traffic Signal, & Cathode Ray Tube invented in 1923. Loudspeaker 1924, Mechanical Television 1925. Liquid Fueled Rocket 1926. Technicolor, and Electronic TV invented in 1927. Car Radio invented in 1929.
How was early radio different from early telegraph system?
The difference is the telegraph required wires; the radio did not. But other then that, they were mostly the same.
What replaced the radio?
telegraph
How do you say SOS using light flashes?
3 short, 3 long, 3 short, no intercharacter pauses as "SOS" is one single Morris character, not three. Same on telegraph or radio telegraph.
What was the Titanic's radio call sign?
Titanic didn't have radio - she had a wireless telegraph.
How did the early radio differ from the early telegraph?
The Telegraph Required Wires The Radio Did Not
