Recording Consoles of the 20th Century 
Contains pictures of most major recording consoles made in the 20th century.
http://www.recordingconsoles.net/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
History of Recorded Sound (Antique Phonograph Books Edison) 
Includes article on the inventors and their US Patents, 1877-1912.
http://members.aol.com/allenamet/BirthRec.htm
The Phonograph WebRing 
Early phonographs, gramophones, cylinders, 78s and recorded sound in general.
http://php.indiana.edu/~pfeaster/phono.htm
Restoration of the Leak Stereo 20 Valve Amplifier 
Provides information on circuit diagrams, parts listing, photographs and restoration advice.
http://www.geocities.com/stereo20/
Digital Needle - A Virtual Gramophone 
Audio extraction from images of gramophone records.
http://www.cs.huji.ac.il/~springer/
Classic Tape Recorders 
Focused on raising appreciation of analogue tape recoding and classic reel-to-reel tape recorders. Offers links, stories, background and history.
http://mytapedecks.mysite.wanadoo-members.co.uk/
Yahoo! Groups: AnalogueSynthesisers 
Discussion forum for information, classifieds, photos, and general know-how regarding analog and modular synthesizers.
http://launch.groups.yahoo.com/group/AnalogueSynthesisers/
Cylinder Preservation and Digitization Project 
A digital collection of recordings held by the University of California at Santa Barbara. Includes searchable database, history of cylinder recordings, and donation information.
http://cylinders.library.ucsb.edu/