A Homemade Edison Tinfoil Phonograph
Friday, September 2, 2011 4:00 p.m. in ETC 4.150 Andrew R. McNeese and Jason D. Sagers Applied Research Laboratories The University of Texas at Austin http://www.arlut.utexas.edu In 1877 Thomas Edison invented the phonograph, a device capable of recording and reproducing sound. The original design used the sound-induced vibrations of a stylus to etch a time-locked…