Here is a link to information about scanning early recordings, by
the author of the New Yorker article, Alec Wilkinson.

  http://www.newyorker.com/go/outloud 
  http://www.newyorker.com/online/blogs/culture/podcasts 
  http://www.newyorker.com/reporting/2014/05/19/140519fa_fact_wilkinson 

David Sharpe
Western Massachusetts

 [ Related information at
 [ http://www.firstsounds.org/press/032708/release_2008-0327.pdf 
 [ -- Robbie