Not your grand-daddy's Edison cylinders

the following link appeared in the June 2005 "Journal of the Audio Engineering Society" -- from the article "Reconstruction of Recorded Sound" which discussed reprocessing Edison cylindrical disks with modern 3-dimensional techniques. There are some wave files which you can download:

http://www-cdf.lbl.gov/~av/

for most of you this is probably "great grand-daddy"