WebEdison was trying to improve the telegraph transmitter when he noticed that the movement of the paper tape through the machine produced a noise resembling spoken words when played at a high speed. Experimenting with a stylus (hard-pointed instrument like a large needle) on a tinfoil cylinder, Edison spoke into the machine. WebThe Edison Concert Phonograph, which had a louder sound and a larger cylinder measuring 4.25" long and 5" in diameter, was introduced in 1899, retailing for $125 and the large cylinders for $4. The Concert …

The Phonograph - Thomas Edison National Historical Park …

WebThomas Edison created many inventions, but his favorite was the phonograph. While working on improvements to the telegraph and the telephone, Edison figured out a way … WebFor Edison, sound recording and sound playback were two necessary aspects of the same endeavor. The practical requirements of telegraph companies to time-shift and speed … rb seefeld in tirol

How Do Record Players Work? - Live Science

WebBut with the harnessing of electrical power in the 19th century, the inventors Thomas Edison and David Edward Hughes each arrived at a way to convert sound into signals that could then be captured and amplified. And thus began the “microphone” revolution. WebIn the late 1870s Thomas Edison invented the phonograph, a machine that could record and reproduce sound. The sounds were recorded on hollow cylinders made from wax and measuring about five cm in diameter and 11 cm in length. Each cylinder could record sound for up to two minutes. Web27 de mar. de 2008 · He just wanted to study the pattern the sound waves made on a sheet of paper blackened by the smoke of an oil lamp. A group of researchers found some of his old phonautograph papers and used a... rbs edinburgh coworking office