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He did it in the 1880s because the sound quality of the first model was quite poor.
What else can I help you with?
What was the first invention Thomas Edison made?
It is pretty much agreed that the first invention of Thomas Edison was a tin foil phonograph. The idea came to him while working to improve the efficiency of the telegraph. He noticed that if the telegraph sounds were played at a high rate of speed the sounds resembled words.
Did Thomas Edison invent the telegraph?
yes
Can a telegraph be wireless?
Yes a telegraph can be wireless. Thomas Edison invented the first wireless telegraph
What year did Thomas Edison invent the telegraph?
1856
When did thomas Edison became a telegraph operator?
I believe the telegraph invention was invented for his mother.
What inventions was Thomas Edison responsible for?
the phonograph, telegraph, and the lightbulb.
What did Thomas Edison contribute to mankind?
Thomas Alva Edison was a legendary inventor of many things. From the telegraph and telephone for mass communication to electric lighting with his improvements on the light bulb, Edison's inventions paved the way for many things that humans are still using decades later.
Is the inventor of the telegraph Samuel FB Morse?
Yes, it was not Thomas Edison he invented the light bulb and not the telegraph.
Did Thomas Edison invent the telegraph and the telephone?
no Alexander Graham Bell did
Did Thomas Edison patent the radio?
No. Edison had nothing to do with radio. Marconi patented the spark radio-telegraph.
What did thomas Edison do to advance science?
he made improvements on the light bulb!
What is a good sentence for the word telegraph?
telegraph was an old machine invented by Thomas Edison, to talk to each other.
