He did it in the 1880s because the sound quality of the first model was quite poor.
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.
yes
Yes a telegraph can be wireless. Thomas Edison invented the first wireless telegraph
1856
I believe the telegraph invention was invented for his mother.
the phonograph, telegraph, and the lightbulb.
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.
Yes, it was not Thomas Edison he invented the light bulb and not the telegraph.
no Alexander Graham Bell did
No. Edison had nothing to do with radio. Marconi patented the spark radio-telegraph.
In his early adulthood, Thomas Edison worked as a telegraph operator, which honed his technical skills and sparked his interest in invention. He began to create and patent various devices, including improvements to the telegraph system. Edison's entrepreneurial spirit led him to establish his first company, where he focused on developing and commercializing his inventions. Despite facing challenges, his innovative mindset set the foundation for his future successes as a prolific inventor.
telegraph was an old machine invented by Thomas Edison, to talk to each other.