How it has evolved
How it works
How it changed the world
Thomas Edison was a great inventor. He invented Light bulb and the Phonograph.
The sound that the phonograph plays is recorded on a disc like this.
The Phonograph of Today
This is the evolved version of the phonograph.
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"Vinyl 60th Anniversary." Vinyl 60th Anniversary. N.p., n.d. Web. 16 Jan. 2015. <http://www.classicurbanharmony.net/45%20Turns%20Sixty.htm>.
"Free Audio Guides of Rome for IPod and MP3 Players." Free Audio Guides of Rome for IPod, IPhone or Mp3 Players. N.p., n.d. Web. 16 Jan. 2015. <http://www.italyguides.it/us/roma/download_audioguide/free_ipod_mp3/ipodguides.htm>
"How Does It Work : Worlds First Record Player." YouTube. YouTube, n.d. Web. 20 Jan. 2015. <https://www.youtube.com/watch?v=aLdzCi5D7SU>.