Dr Edward J Pershey: Edison's Invention of Recorded Sound February 7, 2009
10825 East Blvd
Cleveland, Ohio 44106
Cleveland, Ohio 44106
This is a presentation by Dr. Edward J. Pershey on Edison 's birthday.
Added by Upcoming Robot on January 28, 2009
This is a presentation by Dr. Edward J. Pershey on Edison 's birthday.
Added by Upcoming Robot on January 28, 2009