19th Century Music restored with lasers:
New York Times Article: New technology designed to read cylinder
records.
http://members.aol.com/allenamet/NYT1-20-00.html
Phase Linear Reference Site:
History of Phase Linear stereo equipment built between 1970 and
1982. Brief descriptions and photos cover amplifiers, pre-amps,
tuners and other equipment.
http://www.phaselinearhistory.com/